18305874

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 41307552

約数和(自身を除く): 23001678

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 258, 353, 387, 402, 603, 706, 774, 1059, 1206, 2118, 2881, 3177, 5762, 6354, 8643, 15179, 17286, 23651, 25929, 30358, 45537, 47302, 51858, 70953, 91074, 136611, 141906, 212859, 273222, 425718, 1016993, 2033986, 3050979, 6101958, 9152937, 18305874]

約数ペア:

[(1, 18305874), (2, 9152937), (3, 6101958), (6, 3050979), (9, 2033986), (18, 1016993), (43, 425718), (67, 273222), (86, 212859), (129, 141906), (134, 136611), (201, 91074), (258, 70953), (353, 51858), (387, 47302), (402, 45537), (603, 30358), (706, 25929), (774, 23651), (1059, 17286), (1206, 15179), (2118, 8643), (2881, 6354), (3177, 5762)]