18963009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 29992872

約数和(自身を除く): 11029863

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2657, 7137, 7971, 23913, 34541, 103623, 162077, 310869, 486231, 1458693, 2107001, 6321003, 18963009]

約数ペア:

[(1, 18963009), (3, 6321003), (9, 2107001), (13, 1458693), (39, 486231), (61, 310869), (117, 162077), (183, 103623), (549, 34541), (793, 23913), (2379, 7971), (2657, 7137)]