18481384

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 35526600

約数和(自身を除く): 17045216

約数列:

[1, 2, 4, 8, 89, 101, 178, 202, 257, 356, 404, 514, 712, 808, 1028, 2056, 8989, 17978, 22873, 25957, 35956, 45746, 51914, 71912, 91492, 103828, 182984, 207656, 2310173, 4620346, 9240692, 18481384]

約数ペア:

[(1, 18481384), (2, 9240692), (4, 4620346), (8, 2310173), (89, 207656), (101, 182984), (178, 103828), (202, 91492), (257, 71912), (356, 51914), (404, 45746), (514, 35956), (712, 25957), (808, 22873), (1028, 17978), (2056, 8989)]