16119980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 20168020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 719, 1121, 1180, 1438, 2242, 2876, 3595, 4484, 5605, 7190, 11210, 13661, 14380, 22420, 27322, 42421, 54644, 68305, 84842, 136610, 169684, 212105, 273220, 424210, 805999, 848420, 1611998, 3223996, 4029995, 8059990, 16119980]

約数ペア:

[(1, 16119980), (2, 8059990), (4, 4029995), (5, 3223996), (10, 1611998), (19, 848420), (20, 805999), (38, 424210), (59, 273220), (76, 212105), (95, 169684), (118, 136610), (190, 84842), (236, 68305), (295, 54644), (380, 42421), (590, 27322), (719, 22420), (1121, 14380), (1180, 13661), (1438, 11210), (2242, 7190), (2876, 5605), (3595, 4484)]