19925464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{677}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 40435920

約数和(自身を除く): 20510456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 677, 1132, 1354, 2264, 2708, 3679, 5416, 7358, 8801, 14716, 17602, 29432, 35204, 70408, 191591, 383182, 766364, 1532728, 2490683, 4981366, 9962732, 19925464]

約数ペア:

[(1, 19925464), (2, 9962732), (4, 4981366), (8, 2490683), (13, 1532728), (26, 766364), (52, 383182), (104, 191591), (283, 70408), (566, 35204), (677, 29432), (1132, 17602), (1354, 14716), (2264, 8801), (2708, 7358), (3679, 5416)]