19166200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 45320760

約数和(自身を除く): 26154560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 1571, 2440, 3050, 3142, 6100, 6284, 7855, 12200, 12568, 15710, 31420, 39275, 62840, 78550, 95831, 157100, 191662, 314200, 383324, 479155, 766648, 958310, 1916620, 2395775, 3833240, 4791550, 9583100, 19166200]

約数ペア:

[(1, 19166200), (2, 9583100), (4, 4791550), (5, 3833240), (8, 2395775), (10, 1916620), (20, 958310), (25, 766648), (40, 479155), (50, 383324), (61, 314200), (100, 191662), (122, 157100), (200, 95831), (244, 78550), (305, 62840), (488, 39275), (610, 31420), (1220, 15710), (1525, 12568), (1571, 12200), (2440, 7855), (3050, 6284), (3142, 6100)]