19480340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88547}}^1$

素因数の和:88567

約数の個数: 24

約数和(自身を含む): 44628192

約数和(自身を除く): 25147852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88547, 177094, 354188, 442735, 885470, 974017, 1770940, 1948034, 3896068, 4870085, 9740170, 19480340]

約数ペア:

[(1, 19480340), (2, 9740170), (4, 4870085), (5, 3896068), (10, 1948034), (11, 1770940), (20, 974017), (22, 885470), (44, 442735), (55, 354188), (110, 177094), (220, 88547)]