19166475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 14831349

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 115, 123, 205, 271, 345, 575, 615, 813, 943, 1025, 1355, 1725, 2829, 3075, 4065, 4715, 6233, 6775, 11111, 14145, 18699, 20325, 23575, 31165, 33333, 55555, 70725, 93495, 155825, 166665, 255553, 277775, 467475, 766659, 833325, 1277765, 3833295, 6388825, 19166475]

約数ペア:

[(1, 19166475), (3, 6388825), (5, 3833295), (15, 1277765), (23, 833325), (25, 766659), (41, 467475), (69, 277775), (75, 255553), (115, 166665), (123, 155825), (205, 93495), (271, 70725), (345, 55555), (575, 33333), (615, 31165), (813, 23575), (943, 20325), (1025, 18699), (1355, 14145), (1725, 11111), (2829, 6775), (3075, 6233), (4065, 4715)]