18871515

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10753}}^1$

素因数の和:10780

約数の個数: 32

約数和(自身を含む): 36133440

約数和(自身を除く): 17261925

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 10753, 32259, 53765, 96777, 139789, 161295, 290331, 419367, 483885, 698945, 1258101, 1451655, 2096835, 3774303, 6290505, 18871515]

約数ペア:

[(1, 18871515), (3, 6290505), (5, 3774303), (9, 2096835), (13, 1451655), (15, 1258101), (27, 698945), (39, 483885), (45, 419367), (65, 290331), (117, 161295), (135, 139789), (195, 96777), (351, 53765), (585, 32259), (1755, 10753)]