18414900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 68606720

約数和(自身を除く): 50191820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 37, 42, 45, 50, 60, 63, 70, 74, 75, 79, 84, 90, 100, 105, 111, 126, 140, 148, 150, 158, 175, 180, 185, 210, 222, 225, 237, 252, 259, 300, 315, 316, 333, 350, 370, 395, 420, 444, 450, 474, 518, 525, 553, 555, 630, 666, 700, 711, 740, 777, 790, 900, 925, 948, 1036, 1050, 1106, 1110, 1185, 1260, 1295, 1332, 1422, 1554, 1575, 1580, 1659, 1665, 1850, 1975, 2100, 2212, 2220, 2331, 2370, 2590, 2765, 2775, 2844, 2923, 3108, 3150, 3318, 3330, 3555, 3700, 3885, 3950, 4662, 4740, 4977, 5180, 5530, 5550, 5846, 5925, 6300, 6475, 6636, 6660, 7110, 7770, 7900, 8295, 8325, 8769, 9324, 9954, 11060, 11100, 11655, 11692, 11850, 12950, 13825, 14220, 14615, 15540, 16590, 16650, 17538, 17775, 19425, 19908, 20461, 23310, 23700, 24885, 25900, 26307, 27650, 29230, 33180, 33300, 35076, 35550, 38850, 40922, 41475, 43845, 46620, 49770, 52614, 55300, 58275, 58460, 61383, 71100, 73075, 77700, 81844, 82950, 87690, 99540, 102305, 105228, 116550, 122766, 124425, 131535, 146150, 165900, 175380, 184149, 204610, 219225, 233100, 245532, 248850, 263070, 292300, 306915, 368298, 409220, 438450, 497700, 511525, 526140, 613830, 657675, 736596, 876900, 920745, 1023050, 1227660, 1315350, 1534575, 1841490, 2046100, 2630700, 3069150, 3682980, 4603725, 6138300, 9207450, 18414900]

約数ペア:

[(1, 18414900), (2, 9207450), (3, 6138300), (4, 4603725), (5, 3682980), (6, 3069150), (7, 2630700), (9, 2046100), (10, 1841490), (12, 1534575), (14, 1315350), (15, 1227660), (18, 1023050), (20, 920745), (21, 876900), (25, 736596), (28, 657675), (30, 613830), (35, 526140), (36, 511525), (37, 497700), (42, 438450), (45, 409220), (50, 368298), (60, 306915), (63, 292300), (70, 263070), (74, 248850), (75, 245532), (79, 233100), (84, 219225), (90, 204610), (100, 184149), (105, 175380), (111, 165900), (126, 146150), (140, 131535), (148, 124425), (150, 122766), (158, 116550), (175, 105228), (180, 102305), (185, 99540), (210, 87690), (222, 82950), (225, 81844), (237, 77700), (252, 73075), (259, 71100), (300, 61383), (315, 58460), (316, 58275), (333, 55300), (350, 52614), (370, 49770), (395, 46620), (420, 43845), (444, 41475), (450, 40922), (474, 38850), (518, 35550), (525, 35076), (553, 33300), (555, 33180), (630, 29230), (666, 27650), (700, 26307), (711, 25900), (740, 24885), (777, 23700), (790, 23310), (900, 20461), (925, 19908), (948, 19425), (1036, 17775), (1050, 17538), (1106, 16650), (1110, 16590), (1185, 15540), (1260, 14615), (1295, 14220), (1332, 13825), (1422, 12950), (1554, 11850), (1575, 11692), (1580, 11655), (1659, 11100), (1665, 11060), (1850, 9954), (1975, 9324), (2100, 8769), (2212, 8325), (2220, 8295), (2331, 7900), (2370, 7770), (2590, 7110), (2765, 6660), (2775, 6636), (2844, 6475), (2923, 6300), (3108, 5925), (3150, 5846), (3318, 5550), (3330, 5530), (3555, 5180), (3700, 4977), (3885, 4740), (3950, 4662)]