18797584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90373}}^1$

素因数の和:90394

約数の個数: 20

約数和(自身を含む): 39222316

約数和(自身を除く): 20424732

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90373, 180746, 361492, 722984, 1174849, 1445968, 2349698, 4699396, 9398792, 18797584]

約数ペア:

[(1, 18797584), (2, 9398792), (4, 4699396), (8, 2349698), (13, 1445968), (16, 1174849), (26, 722984), (52, 361492), (104, 180746), (208, 90373)]