12789128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 27540000

約数和(自身を除く): 14750872

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 7649, 15298, 30596, 61192, 84139, 145331, 168278, 290662, 336556, 581324, 673112, 1162648, 1598641, 3197282, 6394564, 12789128]

約数ペア:

[(1, 12789128), (2, 6394564), (4, 3197282), (8, 1598641), (11, 1162648), (19, 673112), (22, 581324), (38, 336556), (44, 290662), (76, 168278), (88, 145331), (152, 84139), (209, 61192), (418, 30596), (836, 15298), (1672, 7649)]