18217744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{66977}}^1$

素因数の和:67002

約数の個数: 20

約数和(自身を含む): 37373724

約数和(自身を除く): 19155980

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 66977, 133954, 267908, 535816, 1071632, 1138609, 2277218, 4554436, 9108872, 18217744]

約数ペア:

[(1, 18217744), (2, 9108872), (4, 4554436), (8, 2277218), (16, 1138609), (17, 1071632), (34, 535816), (68, 267908), (136, 133954), (272, 66977)]