18122715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2383}}^1$

素因数の和:2420

約数の個数: 36

約数和(自身を含む): 34029216

約数和(自身を除く): 15906501

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2383, 2535, 7149, 7605, 11915, 21447, 30979, 35745, 92937, 107235, 154895, 278811, 402727, 464685, 1208181, 1394055, 2013635, 3624543, 6040905, 18122715]

約数ペア:

[(1, 18122715), (3, 6040905), (5, 3624543), (9, 2013635), (13, 1394055), (15, 1208181), (39, 464685), (45, 402727), (65, 278811), (117, 154895), (169, 107235), (195, 92937), (507, 35745), (585, 30979), (845, 21447), (1521, 11915), (2383, 7605), (2535, 7149)]