18265648

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 36426240

約数和(自身を除く): 18160592

約数列:

[1, 2, 4, 8, 16, 89, 101, 127, 178, 202, 254, 356, 404, 508, 712, 808, 1016, 1424, 1616, 2032, 8989, 11303, 12827, 17978, 22606, 25654, 35956, 45212, 51308, 71912, 90424, 102616, 143824, 180848, 205232, 1141603, 2283206, 4566412, 9132824, 18265648]

約数ペア:

[(1, 18265648), (2, 9132824), (4, 4566412), (8, 2283206), (16, 1141603), (89, 205232), (101, 180848), (127, 143824), (178, 102616), (202, 90424), (254, 71912), (356, 51308), (404, 45212), (508, 35956), (712, 25654), (808, 22606), (1016, 17978), (1424, 12827), (1616, 11303), (2032, 8989)]