1947920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1873}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 4879896

約数和(自身を除く): 2931976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1873, 3746, 7492, 9365, 14984, 18730, 24349, 29968, 37460, 48698, 74920, 97396, 121745, 149840, 194792, 243490, 389584, 486980, 973960, 1947920]

約数ペア:

[(1, 1947920), (2, 973960), (4, 486980), (5, 389584), (8, 243490), (10, 194792), (13, 149840), (16, 121745), (20, 97396), (26, 74920), (40, 48698), (52, 37460), (65, 29968), (80, 24349), (104, 18730), (130, 14984), (208, 9365), (260, 7492), (520, 3746), (1040, 1873)]