19002440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6691}}^1$

素因数の和:6773

約数の個数: 32

約数和(自身を含む): 43364160

約数和(自身を除く): 24361720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6691, 13382, 26764, 33455, 53528, 66910, 133820, 267640, 475061, 950122, 1900244, 2375305, 3800488, 4750610, 9501220, 19002440]

約数ペア:

[(1, 19002440), (2, 9501220), (4, 4750610), (5, 3800488), (8, 2375305), (10, 1900244), (20, 950122), (40, 475061), (71, 267640), (142, 133820), (284, 66910), (355, 53528), (568, 33455), (710, 26764), (1420, 13382), (2840, 6691)]