19523428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 35732480

約数和(自身を除く): 16209052

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 1993, 2449, 3986, 4898, 7972, 9796, 61783, 123566, 157447, 247132, 314894, 629788, 4880857, 9761714, 19523428]

約数ペア:

[(1, 19523428), (2, 9761714), (4, 4880857), (31, 629788), (62, 314894), (79, 247132), (124, 157447), (158, 123566), (316, 61783), (1993, 9796), (2449, 7972), (3986, 4898)]