19143245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 26922240

約数和(自身を除く): 7778995

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 409, 851, 1265, 2035, 2045, 4255, 4499, 9361, 9407, 15133, 22495, 46805, 47035, 75665, 103477, 166463, 348059, 517385, 832315, 1740295, 3828649, 19143245]

約数ペア:

[(1, 19143245), (5, 3828649), (11, 1740295), (23, 832315), (37, 517385), (55, 348059), (115, 166463), (185, 103477), (253, 75665), (407, 47035), (409, 46805), (851, 22495), (1265, 15133), (2035, 9407), (2045, 9361), (4255, 4499)]