18742620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24029}}^1$

素因数の和:24054

約数の個数: 48

約数和(自身を含む): 56518560

約数和(自身を除く): 37775940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24029, 48058, 72087, 96116, 120145, 144174, 240290, 288348, 312377, 360435, 480580, 624754, 720870, 937131, 1249508, 1441740, 1561885, 1874262, 3123770, 3748524, 4685655, 6247540, 9371310, 18742620]

約数ペア:

[(1, 18742620), (2, 9371310), (3, 6247540), (4, 4685655), (5, 3748524), (6, 3123770), (10, 1874262), (12, 1561885), (13, 1441740), (15, 1249508), (20, 937131), (26, 720870), (30, 624754), (39, 480580), (52, 360435), (60, 312377), (65, 288348), (78, 240290), (130, 144174), (156, 120145), (195, 96116), (260, 72087), (390, 48058), (780, 24029)]