18349668

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 49431200

約数和(自身を除く): 31081532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 193, 228, 278, 342, 386, 417, 556, 579, 684, 772, 834, 1158, 1251, 1668, 1737, 2316, 2502, 2641, 3474, 3667, 5004, 5282, 6948, 7334, 7923, 10564, 11001, 14668, 15846, 22002, 23769, 26827, 31692, 33003, 44004, 47538, 53654, 66006, 80481, 95076, 107308, 132012, 160962, 241443, 321924, 482886, 509713, 965772, 1019426, 1529139, 2038852, 3058278, 4587417, 6116556, 9174834, 18349668]

約数ペア:

[(1, 18349668), (2, 9174834), (3, 6116556), (4, 4587417), (6, 3058278), (9, 2038852), (12, 1529139), (18, 1019426), (19, 965772), (36, 509713), (38, 482886), (57, 321924), (76, 241443), (114, 160962), (139, 132012), (171, 107308), (193, 95076), (228, 80481), (278, 66006), (342, 53654), (386, 47538), (417, 44004), (556, 33003), (579, 31692), (684, 26827), (772, 23769), (834, 22002), (1158, 15846), (1251, 14668), (1668, 11001), (1737, 10564), (2316, 7923), (2502, 7334), (2641, 6948), (3474, 5282), (3667, 5004)]