18213055

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 25773120

約数和(自身を除く): 7560065

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 941, 2765, 3871, 4705, 6587, 19355, 32935, 46109, 74339, 230545, 371695, 520373, 2601865, 3642611, 18213055]

約数ペア:

[(1, 18213055), (5, 3642611), (7, 2601865), (35, 520373), (49, 371695), (79, 230545), (245, 74339), (395, 46109), (553, 32935), (941, 19355), (2765, 6587), (3871, 4705)]