19931210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1103}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 19017910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1103, 1390, 1807, 2206, 3614, 5515, 9035, 11030, 14339, 18070, 28678, 71695, 143390, 153317, 306634, 766585, 1533170, 1993121, 3986242, 9965605, 19931210]

約数ペア:

[(1, 19931210), (2, 9965605), (5, 3986242), (10, 1993121), (13, 1533170), (26, 766585), (65, 306634), (130, 153317), (139, 143390), (278, 71695), (695, 28678), (1103, 18070), (1390, 14339), (1807, 11030), (2206, 9035), (3614, 5515)]