18330880

素因数分解:

$2^8\times 5^1\times {\mathrm{14321}}^1$

素因数の和:14342

約数の個数: 36

約数和(自身を含む): 43911252

約数和(自身を除く): 25580372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14321, 28642, 57284, 71605, 114568, 143210, 229136, 286420, 458272, 572840, 916544, 1145680, 1833088, 2291360, 3666176, 4582720, 9165440, 18330880]

約数ペア:

[(1, 18330880), (2, 9165440), (4, 4582720), (5, 3666176), (8, 2291360), (10, 1833088), (16, 1145680), (20, 916544), (32, 572840), (40, 458272), (64, 286420), (80, 229136), (128, 143210), (160, 114568), (256, 71605), (320, 57284), (640, 28642), (1280, 14321)]