18854224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69317}}^1$

素因数の和:69342

約数の個数: 20

約数和(自身を含む): 38679444

約数和(自身を除く): 19825220

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69317, 138634, 277268, 554536, 1109072, 1178389, 2356778, 4713556, 9427112, 18854224]

約数ペア:

[(1, 18854224), (2, 9427112), (4, 4713556), (8, 2356778), (16, 1178389), (17, 1109072), (34, 554536), (68, 277268), (136, 138634), (272, 69317)]