19899132

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 31049220

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 233, 466, 647, 699, 932, 1294, 1398, 1941, 2563, 2588, 2796, 3882, 5126, 7117, 7689, 7764, 10252, 14234, 15378, 21351, 28468, 30756, 42702, 85404, 150751, 301502, 452253, 603004, 904506, 1658261, 1809012, 3316522, 4974783, 6633044, 9949566, 19899132]

約数ペア:

[(1, 19899132), (2, 9949566), (3, 6633044), (4, 4974783), (6, 3316522), (11, 1809012), (12, 1658261), (22, 904506), (33, 603004), (44, 452253), (66, 301502), (132, 150751), (233, 85404), (466, 42702), (647, 30756), (699, 28468), (932, 21351), (1294, 15378), (1398, 14234), (1941, 10252), (2563, 7764), (2588, 7689), (2796, 7117), (3882, 5126)]