18127615

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 25539192

約数和(自身を除く): 7411577

約数列:

[1, 5, 11, 19, 55, 83, 95, 121, 209, 361, 415, 605, 913, 1045, 1577, 1805, 2299, 3971, 4565, 7885, 10043, 11495, 17347, 19855, 29963, 43681, 50215, 86735, 149815, 190817, 218405, 329593, 954085, 1647965, 3625523, 18127615]

約数ペア:

[(1, 18127615), (5, 3625523), (11, 1647965), (19, 954085), (55, 329593), (83, 218405), (95, 190817), (121, 149815), (209, 86735), (361, 50215), (415, 43681), (605, 29963), (913, 19855), (1045, 17347), (1577, 11495), (1805, 10043), (2299, 7885), (3971, 4565)]