19921304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191551}}^1$

素因数の和:191570

約数の個数: 16

約数和(自身を含む): 40225920

約数和(自身を除く): 20304616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191551, 383102, 766204, 1532408, 2490163, 4980326, 9960652, 19921304]

約数ペア:

[(1, 19921304), (2, 9960652), (4, 4980326), (8, 2490163), (13, 1532408), (26, 766204), (52, 383102), (104, 191551)]