18887830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6317}}^1$

素因数の和:6360

約数の個数: 32

約数和(自身を含む): 38211264

約数和(自身を除く): 19323434

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6317, 12634, 31585, 63170, 82121, 145291, 164242, 290582, 410605, 726455, 821210, 1452910, 1888783, 3777566, 9443915, 18887830]

約数ペア:

[(1, 18887830), (2, 9443915), (5, 3777566), (10, 1888783), (13, 1452910), (23, 821210), (26, 726455), (46, 410605), (65, 290582), (115, 164242), (130, 145291), (230, 82121), (299, 63170), (598, 31585), (1495, 12634), (2990, 6317)]