18668325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 15454491

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 467, 533, 615, 975, 1025, 1401, 1599, 2335, 2665, 3075, 6071, 7005, 7995, 11675, 13325, 18213, 19147, 30355, 35025, 39975, 57441, 91065, 95735, 151775, 248911, 287205, 455325, 478675, 746733, 1244555, 1436025, 3733665, 6222775, 18668325]

約数ペア:

[(1, 18668325), (3, 6222775), (5, 3733665), (13, 1436025), (15, 1244555), (25, 746733), (39, 478675), (41, 455325), (65, 287205), (75, 248911), (123, 151775), (195, 95735), (205, 91065), (325, 57441), (467, 39975), (533, 35025), (615, 30355), (975, 19147), (1025, 18213), (1401, 13325), (1599, 11675), (2335, 7995), (2665, 7005), (3075, 6071)]