181218438

素因数分解:

$2^1\times 3^3\times {\mathrm{661}}^1\times {\mathrm{5077}}^1$

素因数の和:5749

約数の個数: 32

約数和(自身を含む): 403396320

約数和(自身を除く): 222177882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 661, 1322, 1983, 3966, 5077, 5949, 10154, 11898, 15231, 17847, 30462, 35694, 45693, 91386, 137079, 274158, 3355897, 6711794, 10067691, 20135382, 30203073, 60406146, 90609219, 181218438]

約数ペア:

[(1, 181218438), (2, 90609219), (3, 60406146), (6, 30203073), (9, 20135382), (18, 10067691), (27, 6711794), (54, 3355897), (661, 274158), (1322, 137079), (1983, 91386), (3966, 45693), (5077, 35694), (5949, 30462), (10154, 17847), (11898, 15231)]