19613700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 68606720

約数和(自身を除く): 48993020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 37, 38, 45, 50, 57, 60, 62, 74, 75, 76, 90, 93, 95, 100, 111, 114, 124, 148, 150, 155, 171, 180, 185, 186, 190, 222, 225, 228, 279, 285, 300, 310, 333, 342, 370, 372, 380, 444, 450, 465, 475, 555, 558, 570, 589, 620, 666, 684, 703, 740, 775, 855, 900, 925, 930, 950, 1110, 1116, 1140, 1147, 1178, 1332, 1395, 1406, 1425, 1550, 1665, 1710, 1767, 1850, 1860, 1900, 2109, 2220, 2294, 2325, 2356, 2775, 2790, 2812, 2850, 2945, 3100, 3330, 3420, 3441, 3515, 3534, 3700, 4218, 4275, 4588, 4650, 5301, 5550, 5580, 5700, 5735, 5890, 6327, 6660, 6882, 6975, 7030, 7068, 8325, 8436, 8550, 8835, 9300, 10323, 10545, 10602, 11100, 11470, 11780, 12654, 13764, 13950, 14060, 14725, 16650, 17100, 17205, 17575, 17670, 20646, 21090, 21204, 21793, 22940, 25308, 26505, 27900, 28675, 29450, 31635, 33300, 34410, 35150, 35340, 41292, 42180, 43586, 44175, 51615, 52725, 53010, 57350, 58900, 63270, 65379, 68820, 70300, 86025, 87172, 88350, 103230, 105450, 106020, 108965, 114700, 126540, 130758, 132525, 158175, 172050, 176700, 196137, 206460, 210900, 217930, 258075, 261516, 265050, 316350, 326895, 344100, 392274, 435860, 516150, 530100, 544825, 632700, 653790, 784548, 980685, 1032300, 1089650, 1307580, 1634475, 1961370, 2179300, 3268950, 3922740, 4903425, 6537900, 9806850, 19613700]

約数ペア:

[(1, 19613700), (2, 9806850), (3, 6537900), (4, 4903425), (5, 3922740), (6, 3268950), (9, 2179300), (10, 1961370), (12, 1634475), (15, 1307580), (18, 1089650), (19, 1032300), (20, 980685), (25, 784548), (30, 653790), (31, 632700), (36, 544825), (37, 530100), (38, 516150), (45, 435860), (50, 392274), (57, 344100), (60, 326895), (62, 316350), (74, 265050), (75, 261516), (76, 258075), (90, 217930), (93, 210900), (95, 206460), (100, 196137), (111, 176700), (114, 172050), (124, 158175), (148, 132525), (150, 130758), (155, 126540), (171, 114700), (180, 108965), (185, 106020), (186, 105450), (190, 103230), (222, 88350), (225, 87172), (228, 86025), (279, 70300), (285, 68820), (300, 65379), (310, 63270), (333, 58900), (342, 57350), (370, 53010), (372, 52725), (380, 51615), (444, 44175), (450, 43586), (465, 42180), (475, 41292), (555, 35340), (558, 35150), (570, 34410), (589, 33300), (620, 31635), (666, 29450), (684, 28675), (703, 27900), (740, 26505), (775, 25308), (855, 22940), (900, 21793), (925, 21204), (930, 21090), (950, 20646), (1110, 17670), (1116, 17575), (1140, 17205), (1147, 17100), (1178, 16650), (1332, 14725), (1395, 14060), (1406, 13950), (1425, 13764), (1550, 12654), (1665, 11780), (1710, 11470), (1767, 11100), (1850, 10602), (1860, 10545), (1900, 10323), (2109, 9300), (2220, 8835), (2294, 8550), (2325, 8436), (2356, 8325), (2775, 7068), (2790, 7030), (2812, 6975), (2850, 6882), (2945, 6660), (3100, 6327), (3330, 5890), (3420, 5735), (3441, 5700), (3515, 5580), (3534, 5550), (3700, 5301), (4218, 4650), (4275, 4588)]