19551800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3371}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 47039400

約数和(自身を除く): 27487600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3371, 5800, 6742, 13484, 16855, 26968, 33710, 67420, 84275, 97759, 134840, 168550, 195518, 337100, 391036, 488795, 674200, 782072, 977590, 1955180, 2443975, 3910360, 4887950, 9775900, 19551800]

約数ペア:

[(1, 19551800), (2, 9775900), (4, 4887950), (5, 3910360), (8, 2443975), (10, 1955180), (20, 977590), (25, 782072), (29, 674200), (40, 488795), (50, 391036), (58, 337100), (100, 195518), (116, 168550), (145, 134840), (200, 97759), (232, 84275), (290, 67420), (580, 33710), (725, 26968), (1160, 16855), (1450, 13484), (2900, 6742), (3371, 5800)]