18421572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 28148028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 263, 449, 526, 789, 898, 1052, 1347, 1578, 1796, 2694, 3156, 3419, 5388, 5837, 6838, 10257, 11674, 13676, 17511, 20514, 23348, 35022, 41028, 70044, 118087, 236174, 354261, 472348, 708522, 1417044, 1535131, 3070262, 4605393, 6140524, 9210786, 18421572]

約数ペア:

[(1, 18421572), (2, 9210786), (3, 6140524), (4, 4605393), (6, 3070262), (12, 1535131), (13, 1417044), (26, 708522), (39, 472348), (52, 354261), (78, 236174), (156, 118087), (263, 70044), (449, 41028), (526, 35022), (789, 23348), (898, 20514), (1052, 17511), (1347, 13676), (1578, 11674), (1796, 10257), (2694, 6838), (3156, 5837), (3419, 5388)]