18164517

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 30532992

約数和(自身を除く): 12368475

約数列:

[1, 3, 7, 17, 21, 41, 51, 73, 119, 123, 219, 287, 289, 357, 511, 697, 861, 867, 1241, 1533, 2023, 2091, 2993, 3723, 4879, 6069, 8687, 8979, 11849, 14637, 20951, 21097, 26061, 35547, 50881, 62853, 63291, 82943, 147679, 152643, 248829, 356167, 443037, 864977, 1068501, 2594931, 6054839, 18164517]

約数ペア:

[(1, 18164517), (3, 6054839), (7, 2594931), (17, 1068501), (21, 864977), (41, 443037), (51, 356167), (73, 248829), (119, 152643), (123, 147679), (219, 82943), (287, 63291), (289, 62853), (357, 50881), (511, 35547), (697, 26061), (861, 21097), (867, 20951), (1241, 14637), (1533, 11849), (2023, 8979), (2091, 8687), (2993, 6069), (3723, 4879)]