19856870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 39414816

約数和(自身を除く): 19557946

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 194, 485, 970, 1067, 1861, 2134, 3722, 5335, 9305, 10670, 18610, 20471, 40942, 102355, 180517, 204710, 361034, 902585, 1805170, 1985687, 3971374, 9928435, 19856870]

約数ペア:

[(1, 19856870), (2, 9928435), (5, 3971374), (10, 1985687), (11, 1805170), (22, 902585), (55, 361034), (97, 204710), (110, 180517), (194, 102355), (485, 40942), (970, 20471), (1067, 18610), (1861, 10670), (2134, 9305), (3722, 5335)]