18181926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1277}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 45455904

約数和(自身を除く): 27273978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1277, 1582, 2034, 2373, 2554, 3831, 4746, 7119, 7662, 8939, 11493, 14238, 17878, 22986, 26817, 53634, 80451, 144301, 160902, 288602, 432903, 865806, 1010107, 1298709, 2020214, 2597418, 3030321, 6060642, 9090963, 18181926]

約数ペア:

[(1, 18181926), (2, 9090963), (3, 6060642), (6, 3030321), (7, 2597418), (9, 2020214), (14, 1298709), (18, 1010107), (21, 865806), (42, 432903), (63, 288602), (113, 160902), (126, 144301), (226, 80451), (339, 53634), (678, 26817), (791, 22986), (1017, 17878), (1277, 14238), (1582, 11493), (2034, 8939), (2373, 7662), (2554, 7119), (3831, 4746)]