19933460

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1913}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 41962536

約数和(自身を除く): 22029076

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1913, 2084, 2605, 3826, 5210, 7652, 9565, 10420, 19130, 38260, 996673, 1993346, 3986692, 4983365, 9966730, 19933460]

約数ペア:

[(1, 19933460), (2, 9966730), (4, 4983365), (5, 3986692), (10, 1993346), (20, 996673), (521, 38260), (1042, 19130), (1913, 10420), (2084, 9565), (2605, 7652), (3826, 5210)]