18634644

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{157}}^2$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 55567680

約数和(自身を除く): 36933036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 157, 189, 252, 314, 378, 471, 628, 756, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4239, 4396, 5652, 6594, 8478, 9891, 13188, 16956, 19782, 24649, 29673, 39564, 49298, 59346, 73947, 98596, 118692, 147894, 172543, 221841, 295788, 345086, 443682, 517629, 665523, 690172, 887364, 1035258, 1331046, 1552887, 2070516, 2662092, 3105774, 4658661, 6211548, 9317322, 18634644]

約数ペア:

[(1, 18634644), (2, 9317322), (3, 6211548), (4, 4658661), (6, 3105774), (7, 2662092), (9, 2070516), (12, 1552887), (14, 1331046), (18, 1035258), (21, 887364), (27, 690172), (28, 665523), (36, 517629), (42, 443682), (54, 345086), (63, 295788), (84, 221841), (108, 172543), (126, 147894), (157, 118692), (189, 98596), (252, 73947), (314, 59346), (378, 49298), (471, 39564), (628, 29673), (756, 24649), (942, 19782), (1099, 16956), (1413, 13188), (1884, 9891), (2198, 8478), (2826, 6594), (3297, 5652), (4239, 4396)]