19315696780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{46591}}^1$

素因数の和:47710

約数の個数: 48

約数和(自身を含む): 42737909760

約数和(自身を除く): 23422212980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1091, 2182, 4364, 5455, 10910, 20729, 21820, 41458, 46591, 82916, 93182, 103645, 186364, 207290, 232955, 414580, 465910, 885229, 931820, 1770458, 3540916, 4426145, 8852290, 17704580, 50830781, 101661562, 203323124, 254153905, 508307810, 965784839, 1016615620, 1931569678, 3863139356, 4828924195, 9657848390, 19315696780]

約数ペア:

[(1, 19315696780), (2, 9657848390), (4, 4828924195), (5, 3863139356), (10, 1931569678), (19, 1016615620), (20, 965784839), (38, 508307810), (76, 254153905), (95, 203323124), (190, 101661562), (380, 50830781), (1091, 17704580), (2182, 8852290), (4364, 4426145), (5455, 3540916), (10910, 1770458), (20729, 931820), (21820, 885229), (41458, 465910), (46591, 414580), (82916, 232955), (93182, 207290), (103645, 186364)]