19967100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 43362180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 31, 38, 50, 57, 60, 62, 75, 76, 93, 95, 100, 113, 114, 124, 150, 155, 186, 190, 226, 228, 285, 300, 310, 339, 372, 380, 452, 465, 475, 565, 570, 589, 620, 678, 775, 930, 950, 1130, 1140, 1178, 1356, 1425, 1550, 1695, 1767, 1860, 1900, 2147, 2260, 2325, 2356, 2825, 2850, 2945, 3100, 3390, 3503, 3534, 4294, 4650, 5650, 5700, 5890, 6441, 6780, 7006, 7068, 8475, 8588, 8835, 9300, 10509, 10735, 11300, 11780, 12882, 14012, 14725, 16950, 17515, 17670, 21018, 21470, 25764, 29450, 32205, 33900, 35030, 35340, 42036, 42940, 44175, 52545, 53675, 58900, 64410, 66557, 70060, 87575, 88350, 105090, 107350, 128820, 133114, 161025, 175150, 176700, 199671, 210180, 214700, 262725, 266228, 322050, 332785, 350300, 399342, 525450, 644100, 665570, 798684, 998355, 1050900, 1331140, 1663925, 1996710, 3327850, 3993420, 4991775, 6655700, 9983550, 19967100]

約数ペア:

[(1, 19967100), (2, 9983550), (3, 6655700), (4, 4991775), (5, 3993420), (6, 3327850), (10, 1996710), (12, 1663925), (15, 1331140), (19, 1050900), (20, 998355), (25, 798684), (30, 665570), (31, 644100), (38, 525450), (50, 399342), (57, 350300), (60, 332785), (62, 322050), (75, 266228), (76, 262725), (93, 214700), (95, 210180), (100, 199671), (113, 176700), (114, 175150), (124, 161025), (150, 133114), (155, 128820), (186, 107350), (190, 105090), (226, 88350), (228, 87575), (285, 70060), (300, 66557), (310, 64410), (339, 58900), (372, 53675), (380, 52545), (452, 44175), (465, 42940), (475, 42036), (565, 35340), (570, 35030), (589, 33900), (620, 32205), (678, 29450), (775, 25764), (930, 21470), (950, 21018), (1130, 17670), (1140, 17515), (1178, 16950), (1356, 14725), (1425, 14012), (1550, 12882), (1695, 11780), (1767, 11300), (1860, 10735), (1900, 10509), (2147, 9300), (2260, 8835), (2325, 8588), (2356, 8475), (2825, 7068), (2850, 7006), (2945, 6780), (3100, 6441), (3390, 5890), (3503, 5700), (3534, 5650), (4294, 4650)]