18907363540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{996173}}^1$

素因数の和:996268

約数の個数: 48

約数和(自身を含む): 43345523088

約数和(自身を除く): 24438159548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 996173, 1992346, 3984692, 4980865, 9961730, 12950249, 19923460, 25900498, 51800996, 64751245, 72720629, 129502490, 145441258, 259004980, 290882516, 363603145, 727206290, 945368177, 1454412580, 1890736354, 3781472708, 4726840885, 9453681770, 18907363540]

約数ペア:

[(1, 18907363540), (2, 9453681770), (4, 4726840885), (5, 3781472708), (10, 1890736354), (13, 1454412580), (20, 945368177), (26, 727206290), (52, 363603145), (65, 290882516), (73, 259004980), (130, 145441258), (146, 129502490), (260, 72720629), (292, 64751245), (365, 51800996), (730, 25900498), (949, 19923460), (1460, 12950249), (1898, 9961730), (3796, 4980865), (4745, 3984692), (9490, 1992346), (18980, 996173)]