18947355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5821}}^1$

素因数の和:5867

約数の個数: 32

約数和(自身を含む): 35770368

約数和(自身を除く): 16823013

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 5821, 17463, 29105, 40747, 87315, 122241, 180451, 203735, 541353, 611205, 902255, 1263157, 2706765, 3789471, 6315785, 18947355]

約数ペア:

[(1, 18947355), (3, 6315785), (5, 3789471), (7, 2706765), (15, 1263157), (21, 902255), (31, 611205), (35, 541353), (93, 203735), (105, 180451), (155, 122241), (217, 87315), (465, 40747), (651, 29105), (1085, 17463), (3255, 5821)]