19566549

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 30356480

約数和(自身を除く): 10789931

約数列:

[1, 3, 9, 27, 31, 93, 97, 241, 279, 291, 723, 837, 873, 2169, 2619, 3007, 6507, 7471, 9021, 22413, 23377, 27063, 67239, 70131, 81189, 201717, 210393, 631179, 724687, 2174061, 6522183, 19566549]

約数ペア:

[(1, 19566549), (3, 6522183), (9, 2174061), (27, 724687), (31, 631179), (93, 210393), (97, 201717), (241, 81189), (279, 70131), (291, 67239), (723, 27063), (837, 23377), (873, 22413), (2169, 9021), (2619, 7471), (3007, 6507)]