18190250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 38132640

約数和(自身を除く): 19942390

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 145, 193, 250, 290, 325, 377, 386, 650, 725, 754, 965, 1450, 1625, 1885, 1930, 2509, 3250, 3625, 3770, 4825, 5018, 5597, 7250, 9425, 9650, 11194, 12545, 18850, 24125, 25090, 27985, 47125, 48250, 55970, 62725, 72761, 94250, 125450, 139925, 145522, 279850, 313625, 363805, 627250, 699625, 727610, 1399250, 1819025, 3638050, 9095125, 18190250]

約数ペア:

[(1, 18190250), (2, 9095125), (5, 3638050), (10, 1819025), (13, 1399250), (25, 727610), (26, 699625), (29, 627250), (50, 363805), (58, 313625), (65, 279850), (125, 145522), (130, 139925), (145, 125450), (193, 94250), (250, 72761), (290, 62725), (325, 55970), (377, 48250), (386, 47125), (650, 27985), (725, 25090), (754, 24125), (965, 18850), (1450, 12545), (1625, 11194), (1885, 9650), (1930, 9425), (2509, 7250), (3250, 5597), (3625, 5018), (3770, 4825)]