18868912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69371}}^1$

素因数の和:69396

約数の個数: 20

約数和(自身を含む): 38709576

約数和(自身を除く): 19840664

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69371, 138742, 277484, 554968, 1109936, 1179307, 2358614, 4717228, 9434456, 18868912]

約数ペア:

[(1, 18868912), (2, 9434456), (4, 4717228), (8, 2358614), (16, 1179307), (17, 1109936), (34, 554968), (68, 277484), (136, 138742), (272, 69371)]