18155735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 25206720

約数和(自身を除く): 7050985

約数列:

[1, 5, 13, 19, 61, 65, 95, 241, 247, 305, 793, 1159, 1205, 1235, 3133, 3965, 4579, 5795, 14701, 15067, 15665, 22895, 59527, 73505, 75335, 191113, 279319, 297635, 955565, 1396595, 3631147, 18155735]

約数ペア:

[(1, 18155735), (5, 3631147), (13, 1396595), (19, 955565), (61, 297635), (65, 279319), (95, 191113), (241, 75335), (247, 73505), (305, 59527), (793, 22895), (1159, 15665), (1205, 15067), (1235, 14701), (3133, 5795), (3965, 4579)]