18731750401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{25229}}^1$

素因数の和:25489

約数の個数: 32

約数和(自身を含む): 23736384000

約数和(自身を除く): 5004633599

約数列:

[1, 7, 13, 41, 91, 199, 287, 533, 1393, 2587, 3731, 8159, 18109, 25229, 57113, 106067, 176603, 327977, 742469, 1034389, 2295839, 5020571, 7240723, 13447057, 35143997, 65267423, 94129399, 205843411, 456871961, 1440903877, 2675964343, 18731750401]

約数ペア:

[(1, 18731750401), (7, 2675964343), (13, 1440903877), (41, 456871961), (91, 205843411), (199, 94129399), (287, 65267423), (533, 35143997), (1393, 13447057), (2587, 7240723), (3731, 5020571), (8159, 2295839), (18109, 1034389), (25229, 742469), (57113, 327977), (106067, 176603)]