18729123860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{35527}}^1$

素因数の和:36192

約数の個数: 48

約数和(自身を含む): 40312626816

約数和(自身を除く): 21583502956

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 613, 860, 1226, 2452, 3065, 6130, 12260, 26359, 35527, 52718, 71054, 105436, 131795, 142108, 177635, 263590, 355270, 527180, 710540, 1527661, 3055322, 6110644, 7638305, 15276610, 21778051, 30553220, 43556102, 87112204, 108890255, 217780510, 435561020, 936456193, 1872912386, 3745824772, 4682280965, 9364561930, 18729123860]

約数ペア:

[(1, 18729123860), (2, 9364561930), (4, 4682280965), (5, 3745824772), (10, 1872912386), (20, 936456193), (43, 435561020), (86, 217780510), (172, 108890255), (215, 87112204), (430, 43556102), (613, 30553220), (860, 21778051), (1226, 15276610), (2452, 7638305), (3065, 6110644), (6130, 3055322), (12260, 1527661), (26359, 710540), (35527, 527180), (52718, 355270), (71054, 263590), (105436, 177635), (131795, 142108)]