3943472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{18959}}^1$

素因数の和:18980

約数の個数: 20

約数和(自身を含む): 8228640

約数和(自身を除く): 4285168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 18959, 37918, 75836, 151672, 246467, 303344, 492934, 985868, 1971736, 3943472]

約数ペア:

[(1, 3943472), (2, 1971736), (4, 985868), (8, 492934), (13, 303344), (16, 246467), (26, 151672), (52, 75836), (104, 37918), (208, 18959)]