1961648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9431}}^1$

素因数の和:9452

約数の個数: 20

約数和(自身を含む): 4093488

約数和(自身を除く): 2131840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9431, 18862, 37724, 75448, 122603, 150896, 245206, 490412, 980824, 1961648]

約数ペア:

[(1, 1961648), (2, 980824), (4, 490412), (8, 245206), (13, 150896), (16, 122603), (26, 75448), (52, 37724), (104, 18862), (208, 9431)]