18715592

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2243}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 21676408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2243, 4172, 4486, 8344, 8972, 15701, 17944, 31402, 62804, 125608, 334207, 668414, 1336828, 2339449, 2673656, 4678898, 9357796, 18715592]

約数ペア:

[(1, 18715592), (2, 9357796), (4, 4678898), (7, 2673656), (8, 2339449), (14, 1336828), (28, 668414), (56, 334207), (149, 125608), (298, 62804), (596, 31402), (1043, 17944), (1192, 15701), (2086, 8972), (2243, 8344), (4172, 4486)]