1917950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 3615840

約数和(自身を除く): 1697890

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 431, 445, 862, 890, 2155, 2225, 4310, 4450, 10775, 21550, 38359, 76718, 191795, 383590, 958975, 1917950]

約数ペア:

[(1, 1917950), (2, 958975), (5, 383590), (10, 191795), (25, 76718), (50, 38359), (89, 21550), (178, 10775), (431, 4450), (445, 4310), (862, 2225), (890, 2155)]