19664730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1447}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 51502464

約数和(自身を除く): 31837734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1447, 1510, 2265, 2718, 2894, 4341, 4530, 6795, 7235, 8682, 13023, 13590, 14470, 21705, 26046, 43410, 65115, 130230, 218497, 436994, 655491, 1092485, 1310982, 1966473, 2184970, 3277455, 3932946, 6554910, 9832365, 19664730]

約数ペア:

[(1, 19664730), (2, 9832365), (3, 6554910), (5, 3932946), (6, 3277455), (9, 2184970), (10, 1966473), (15, 1310982), (18, 1092485), (30, 655491), (45, 436994), (90, 218497), (151, 130230), (302, 65115), (453, 43410), (755, 26046), (906, 21705), (1359, 14470), (1447, 13590), (1510, 13023), (2265, 8682), (2718, 7235), (2894, 6795), (4341, 4530)]