19164848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70459}}^1$

素因数の和:70484

約数の個数: 20

約数和(自身を含む): 39316680

約数和(自身を除く): 20151832

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70459, 140918, 281836, 563672, 1127344, 1197803, 2395606, 4791212, 9582424, 19164848]

約数ペア:

[(1, 19164848), (2, 9582424), (4, 4791212), (8, 2395606), (16, 1197803), (17, 1127344), (34, 563672), (68, 281836), (136, 140918), (272, 70459)]