18657848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11159}}^1$

素因数の和:11195

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 21518152

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11159, 22318, 44636, 89272, 122749, 212021, 245498, 424042, 490996, 848084, 981992, 1696168, 2332231, 4664462, 9328924, 18657848]

約数ペア:

[(1, 18657848), (2, 9328924), (4, 4664462), (8, 2332231), (11, 1696168), (19, 981992), (22, 848084), (38, 490996), (44, 424042), (76, 245498), (88, 212021), (152, 122749), (209, 89272), (418, 44636), (836, 22318), (1672, 11159)]