19796478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253801}}^1$

素因数の和:253819

約数の個数: 16

約数和(自身を含む): 42638736

約数和(自身を除く): 22842258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253801, 507602, 761403, 1522806, 3299413, 6598826, 9898239, 19796478]

約数ペア:

[(1, 19796478), (2, 9898239), (3, 6598826), (6, 3299413), (13, 1522806), (26, 761403), (39, 507602), (78, 253801)]