18718812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1259}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 36317988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1259, 1652, 2124, 2478, 2518, 3717, 3777, 4956, 5036, 7434, 7554, 8813, 11331, 14868, 15108, 17626, 22662, 26439, 35252, 45324, 52878, 74281, 79317, 105756, 148562, 158634, 222843, 297124, 317268, 445686, 519967, 668529, 891372, 1039934, 1337058, 1559901, 2079868, 2674116, 3119802, 4679703, 6239604, 9359406, 18718812]

約数ペア:

[(1, 18718812), (2, 9359406), (3, 6239604), (4, 4679703), (6, 3119802), (7, 2674116), (9, 2079868), (12, 1559901), (14, 1337058), (18, 1039934), (21, 891372), (28, 668529), (36, 519967), (42, 445686), (59, 317268), (63, 297124), (84, 222843), (118, 158634), (126, 148562), (177, 105756), (236, 79317), (252, 74281), (354, 52878), (413, 45324), (531, 35252), (708, 26439), (826, 22662), (1062, 17626), (1239, 15108), (1259, 14868), (1652, 11331), (2124, 8813), (2478, 7554), (2518, 7434), (3717, 5036), (3777, 4956)]