19910478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{474059}}^1$

素因数の和:474071

約数の個数: 16

約数和(自身を含む): 45509760

約数和(自身を除く): 25599282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 474059, 948118, 1422177, 2844354, 3318413, 6636826, 9955239, 19910478]

約数ペア:

[(1, 19910478), (2, 9955239), (3, 6636826), (6, 3318413), (7, 2844354), (14, 1422177), (21, 948118), (42, 474059)]