18689608

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4021}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 40541760

約数和(自身を除く): 21852152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4021, 4648, 8042, 16084, 28147, 32168, 56294, 112588, 225176, 333743, 667486, 1334972, 2336201, 2669944, 4672402, 9344804, 18689608]

約数ペア:

[(1, 18689608), (2, 9344804), (4, 4672402), (7, 2669944), (8, 2336201), (14, 1334972), (28, 667486), (56, 333743), (83, 225176), (166, 112588), (332, 56294), (581, 32168), (664, 28147), (1162, 16084), (2324, 8042), (4021, 4648)]