18725715

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2351}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15143085

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2351, 2655, 7053, 7965, 11755, 21159, 35265, 63477, 105795, 138709, 317385, 416127, 693545, 1248381, 2080635, 3745143, 6241905, 18725715]

約数ペア:

[(1, 18725715), (3, 6241905), (5, 3745143), (9, 2080635), (15, 1248381), (27, 693545), (45, 416127), (59, 317385), (135, 138709), (177, 105795), (295, 63477), (531, 35265), (885, 21159), (1593, 11755), (2351, 7965), (2655, 7053)]