19666530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 56920320

約数和(自身を除く): 37253790

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 169, 195, 234, 270, 338, 351, 390, 431, 507, 585, 702, 845, 862, 1014, 1170, 1293, 1521, 1690, 1755, 2155, 2535, 2586, 3042, 3510, 3879, 4310, 4563, 5070, 5603, 6465, 7605, 7758, 9126, 11206, 11637, 12930, 15210, 16809, 19395, 22815, 23274, 28015, 33618, 38790, 45630, 50427, 56030, 58185, 72839, 84045, 100854, 116370, 145678, 151281, 168090, 218517, 252135, 302562, 364195, 437034, 504270, 655551, 728390, 756405, 1092585, 1311102, 1512810, 1966653, 2185170, 3277755, 3933306, 6555510, 9833265, 19666530]

約数ペア:

[(1, 19666530), (2, 9833265), (3, 6555510), (5, 3933306), (6, 3277755), (9, 2185170), (10, 1966653), (13, 1512810), (15, 1311102), (18, 1092585), (26, 756405), (27, 728390), (30, 655551), (39, 504270), (45, 437034), (54, 364195), (65, 302562), (78, 252135), (90, 218517), (117, 168090), (130, 151281), (135, 145678), (169, 116370), (195, 100854), (234, 84045), (270, 72839), (338, 58185), (351, 56030), (390, 50427), (431, 45630), (507, 38790), (585, 33618), (702, 28015), (845, 23274), (862, 22815), (1014, 19395), (1170, 16809), (1293, 15210), (1521, 12930), (1690, 11637), (1755, 11206), (2155, 9126), (2535, 7758), (2586, 7605), (3042, 6465), (3510, 5603), (3879, 5070), (4310, 4563)]