19877044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2141}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 38144736

約数和(自身を除く): 18267692

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2141, 2321, 4282, 4642, 8564, 9284, 23551, 47102, 94204, 451751, 903502, 1807004, 4969261, 9938522, 19877044]

約数ペア:

[(1, 19877044), (2, 9938522), (4, 4969261), (11, 1807004), (22, 903502), (44, 451751), (211, 94204), (422, 47102), (844, 23551), (2141, 9284), (2321, 8564), (4282, 4642)]