18078228

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2657}}^1$

素因数の和:2683

約数の個数: 72

約数和(自身を含む): 54180672

約数和(自身を除く): 36102444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2657, 3402, 5314, 6804, 7971, 10628, 15942, 18599, 23913, 31884, 37198, 47826, 55797, 71739, 74396, 95652, 111594, 143478, 167391, 215217, 223188, 286956, 334782, 430434, 502173, 645651, 669564, 860868, 1004346, 1291302, 1506519, 2008692, 2582604, 3013038, 4519557, 6026076, 9039114, 18078228]

約数ペア:

[(1, 18078228), (2, 9039114), (3, 6026076), (4, 4519557), (6, 3013038), (7, 2582604), (9, 2008692), (12, 1506519), (14, 1291302), (18, 1004346), (21, 860868), (27, 669564), (28, 645651), (36, 502173), (42, 430434), (54, 334782), (63, 286956), (81, 223188), (84, 215217), (108, 167391), (126, 143478), (162, 111594), (189, 95652), (243, 74396), (252, 71739), (324, 55797), (378, 47826), (486, 37198), (567, 31884), (756, 23913), (972, 18599), (1134, 15942), (1701, 10628), (2268, 7971), (2657, 6804), (3402, 5314)]