18898564

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 34234200

約数和(自身を除く): 15335636

約数列:

[1, 2, 4, 37, 74, 148, 149, 298, 596, 857, 1714, 3428, 5513, 11026, 22052, 31709, 63418, 126836, 127693, 255386, 510772, 4724641, 9449282, 18898564]

約数ペア:

[(1, 18898564), (2, 9449282), (4, 4724641), (37, 510772), (74, 255386), (148, 127693), (149, 126836), (298, 63418), (596, 31709), (857, 22052), (1714, 11026), (3428, 5513)]