18752985

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4526

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 15668775

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4481, 13443, 22405, 40329, 67215, 120987, 138911, 201645, 416733, 604935, 694555, 1250199, 2083665, 3750597, 6250995, 18752985]

約数ペア:

[(1, 18752985), (3, 6250995), (5, 3750597), (9, 2083665), (15, 1250199), (27, 694555), (31, 604935), (45, 416733), (93, 201645), (135, 138911), (155, 120987), (279, 67215), (465, 40329), (837, 22405), (1395, 13443), (4185, 4481)]