19398704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93263}}^1$

素因数の和:93284

約数の個数: 20

約数和(自身を含む): 40476576

約数和(自身を除く): 21077872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93263, 186526, 373052, 746104, 1212419, 1492208, 2424838, 4849676, 9699352, 19398704]

約数ペア:

[(1, 19398704), (2, 9699352), (4, 4849676), (8, 2424838), (13, 1492208), (16, 1212419), (26, 746104), (52, 373052), (104, 186526), (208, 93263)]