18597796

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21319004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 439, 476, 623, 878, 1246, 1513, 1756, 2492, 3026, 3073, 6052, 6146, 7463, 10591, 12292, 14926, 21182, 29852, 39071, 42364, 52241, 78142, 104482, 156284, 208964, 273497, 546994, 664207, 1093988, 1328414, 2656828, 4649449, 9298898, 18597796]

約数ペア:

[(1, 18597796), (2, 9298898), (4, 4649449), (7, 2656828), (14, 1328414), (17, 1093988), (28, 664207), (34, 546994), (68, 273497), (89, 208964), (119, 156284), (178, 104482), (238, 78142), (356, 52241), (439, 42364), (476, 39071), (623, 29852), (878, 21182), (1246, 14926), (1513, 12292), (1756, 10591), (2492, 7463), (3026, 6146), (3073, 6052)]