19128556

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 34573616

約数和(自身を除く): 15445060

約数列:

[1, 2, 4, 37, 74, 148, 307, 421, 614, 842, 1228, 1684, 11359, 15577, 22718, 31154, 45436, 62308, 129247, 258494, 516988, 4782139, 9564278, 19128556]

約数ペア:

[(1, 19128556), (2, 9564278), (4, 4782139), (37, 516988), (74, 258494), (148, 129247), (307, 62308), (421, 45436), (614, 31154), (842, 22718), (1228, 15577), (1684, 11359)]