18488691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8317}}^1$

素因数の和:8355

約数の個数: 24

約数和(自身を含む): 30277520

約数和(自身を除く): 11788829

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8317, 24951, 74853, 108121, 158023, 324363, 474069, 973089, 1422207, 2054299, 6162897, 18488691]

約数ペア:

[(1, 18488691), (3, 6162897), (9, 2054299), (13, 1422207), (19, 973089), (39, 474069), (57, 324363), (117, 158023), (171, 108121), (247, 74853), (741, 24951), (2223, 8317)]