18289566

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 41558400

約数和(自身を除く): 23268834

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 73, 93, 146, 186, 219, 279, 438, 449, 558, 657, 898, 1314, 1347, 2263, 2694, 4041, 4526, 6789, 8082, 13578, 13919, 20367, 27838, 32777, 40734, 41757, 65554, 83514, 98331, 125271, 196662, 250542, 294993, 589986, 1016087, 2032174, 3048261, 6096522, 9144783, 18289566]

約数ペア:

[(1, 18289566), (2, 9144783), (3, 6096522), (6, 3048261), (9, 2032174), (18, 1016087), (31, 589986), (62, 294993), (73, 250542), (93, 196662), (146, 125271), (186, 98331), (219, 83514), (279, 65554), (438, 41757), (449, 40734), (558, 32777), (657, 27838), (898, 20367), (1314, 13919), (1347, 13578), (2263, 8082), (2694, 6789), (4041, 4526)]