19536138

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 44169216

約数和(自身を除く): 24633078

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 157, 186, 223, 279, 314, 446, 471, 558, 669, 942, 1338, 1413, 2007, 2826, 4014, 4867, 6913, 9734, 13826, 14601, 20739, 29202, 35011, 41478, 43803, 62217, 70022, 87606, 105033, 124434, 210066, 315099, 630198, 1085341, 2170682, 3256023, 6512046, 9768069, 19536138]

約数ペア:

[(1, 19536138), (2, 9768069), (3, 6512046), (6, 3256023), (9, 2170682), (18, 1085341), (31, 630198), (62, 315099), (93, 210066), (157, 124434), (186, 105033), (223, 87606), (279, 70022), (314, 62217), (446, 43803), (471, 41478), (558, 35011), (669, 29202), (942, 20739), (1338, 14601), (1413, 13826), (2007, 9734), (2826, 6913), (4014, 4867)]