18354544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 38816960

約数和(自身を除く): 20462416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1117, 1264, 2054, 2234, 4108, 4468, 8216, 8936, 14521, 16432, 17872, 29042, 58084, 88243, 116168, 176486, 232336, 352972, 705944, 1147159, 1411888, 2294318, 4588636, 9177272, 18354544]

約数ペア:

[(1, 18354544), (2, 9177272), (4, 4588636), (8, 2294318), (13, 1411888), (16, 1147159), (26, 705944), (52, 352972), (79, 232336), (104, 176486), (158, 116168), (208, 88243), (316, 58084), (632, 29042), (1027, 17872), (1117, 16432), (1264, 14521), (2054, 8936), (2234, 8216), (4108, 4468)]