18261555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13671885

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 1319, 2769, 3957, 4615, 6595, 13845, 17147, 19785, 51441, 85735, 93649, 257205, 280947, 468245, 1217437, 1404735, 3652311, 6087185, 18261555]

約数ペア:

[(1, 18261555), (3, 6087185), (5, 3652311), (13, 1404735), (15, 1217437), (39, 468245), (65, 280947), (71, 257205), (195, 93649), (213, 85735), (355, 51441), (923, 19785), (1065, 17147), (1319, 13845), (2769, 6595), (3957, 4615)]