1853778985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1\times {\mathrm{9791}}^1$

素因数の和:11808

約数の個数: 16

約数和(自身を含む): 2343029760

約数和(自身を除く): 489250775

約数列:

[1, 5, 19, 95, 1993, 9791, 9965, 37867, 48955, 186029, 189335, 930145, 19513463, 97567315, 370755797, 1853778985]

約数ペア:

[(1, 1853778985), (5, 370755797), (19, 97567315), (95, 19513463), (1993, 930145), (9791, 189335), (9965, 186029), (37867, 48955)]