318871908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20269}}^1$

素因数の和:20321

約数の個数: 72

約数和(自身を含む): 885393600

約数和(自身を除く): 566521692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 2622, 3933, 5244, 7866, 15732, 20269, 40538, 60807, 81076, 121614, 182421, 243228, 364842, 385111, 466187, 729684, 770222, 932374, 1155333, 1398561, 1540444, 1864748, 2310666, 2797122, 3465999, 4195683, 4621332, 5594244, 6931998, 8391366, 8857553, 13863996, 16782732, 17715106, 26572659, 35430212, 53145318, 79717977, 106290636, 159435954, 318871908]

約数ペア:

[(1, 318871908), (2, 159435954), (3, 106290636), (4, 79717977), (6, 53145318), (9, 35430212), (12, 26572659), (18, 17715106), (19, 16782732), (23, 13863996), (36, 8857553), (38, 8391366), (46, 6931998), (57, 5594244), (69, 4621332), (76, 4195683), (92, 3465999), (114, 2797122), (138, 2310666), (171, 1864748), (207, 1540444), (228, 1398561), (276, 1155333), (342, 932374), (414, 770222), (437, 729684), (684, 466187), (828, 385111), (874, 364842), (1311, 243228), (1748, 182421), (2622, 121614), (3933, 81076), (5244, 60807), (7866, 40538), (15732, 20269)]