18211930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9774

約数の個数: 32

約数和(自身を含む): 37869120

約数和(自身を除く): 19657190

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 9739, 19478, 48695, 97390, 107129, 165563, 214258, 331126, 535645, 827815, 1071290, 1655630, 1821193, 3642386, 9105965, 18211930]

約数ペア:

[(1, 18211930), (2, 9105965), (5, 3642386), (10, 1821193), (11, 1655630), (17, 1071290), (22, 827815), (34, 535645), (55, 331126), (85, 214258), (110, 165563), (170, 107129), (187, 97390), (374, 48695), (935, 19478), (1870, 9739)]