9998428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1019}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 19192320

約数和(自身を除く): 9193892

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 1019, 2038, 2453, 4076, 4906, 9812, 11209, 22418, 44836, 227237, 454474, 908948, 2499607, 4999214, 9998428]

約数ペア:

[(1, 9998428), (2, 4999214), (4, 2499607), (11, 908948), (22, 454474), (44, 227237), (223, 44836), (446, 22418), (892, 11209), (1019, 9812), (2038, 4906), (2453, 4076)]