18709386

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 38658048

約数和(自身を除く): 19948662

約数列:

[1, 2, 3, 6, 43, 86, 127, 129, 254, 258, 381, 571, 762, 1142, 1713, 3426, 5461, 10922, 16383, 24553, 32766, 49106, 72517, 73659, 145034, 147318, 217551, 435102, 3118231, 6236462, 9354693, 18709386]

約数ペア:

[(1, 18709386), (2, 9354693), (3, 6236462), (6, 3118231), (43, 435102), (86, 217551), (127, 147318), (129, 145034), (254, 73659), (258, 72517), (381, 49106), (571, 32766), (762, 24553), (1142, 16383), (1713, 10922), (3426, 5461)]