19877497

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 21555072

約数和(自身を除く): 1677575

約数列:

[1, 23, 41, 107, 197, 943, 2461, 4387, 4531, 8077, 21079, 100901, 185771, 484817, 864239, 19877497]

約数ペア:

[(1, 19877497), (23, 864239), (41, 484817), (107, 185771), (197, 100901), (943, 21079), (2461, 8077), (4387, 4531)]