19863766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 14246954

約数列:

[1, 2, 13, 23, 26, 46, 59, 118, 299, 563, 598, 767, 1126, 1357, 1534, 2714, 7319, 12949, 14638, 17641, 25898, 33217, 35282, 66434, 168337, 336674, 431821, 763991, 863642, 1527982, 9931883, 19863766]

約数ペア:

[(1, 19863766), (2, 9931883), (13, 1527982), (23, 863642), (26, 763991), (46, 431821), (59, 336674), (118, 168337), (299, 66434), (563, 35282), (598, 33217), (767, 25898), (1126, 17641), (1357, 14638), (1534, 12949), (2714, 7319)]