17878328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1669}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 36472800

約数和(自身を除く): 18594472

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 1669, 2678, 3338, 5356, 6676, 10712, 13352, 21697, 43394, 86788, 171907, 173576, 343814, 687628, 1375256, 2234791, 4469582, 8939164, 17878328]

約数ペア:

[(1, 17878328), (2, 8939164), (4, 4469582), (8, 2234791), (13, 1375256), (26, 687628), (52, 343814), (103, 173576), (104, 171907), (206, 86788), (412, 43394), (824, 21697), (1339, 13352), (1669, 10712), (2678, 6676), (3338, 5356)]