18205648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59887}}^1$

素因数の和:59914

約数の個数: 20

約数和(自身を含む): 37130560

約数和(自身を除く): 18924912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59887, 119774, 239548, 479096, 958192, 1137853, 2275706, 4551412, 9102824, 18205648]

約数ペア:

[(1, 18205648), (2, 9102824), (4, 4551412), (8, 2275706), (16, 1137853), (19, 958192), (38, 479096), (76, 239548), (152, 119774), (304, 59887)]