18114680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3457}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 22966360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3457, 5240, 6914, 13828, 17285, 27656, 34570, 69140, 138280, 452867, 905734, 1811468, 2264335, 3622936, 4528670, 9057340, 18114680]

約数ペア:

[(1, 18114680), (2, 9057340), (4, 4528670), (5, 3622936), (8, 2264335), (10, 1811468), (20, 905734), (40, 452867), (131, 138280), (262, 69140), (524, 34570), (655, 27656), (1048, 17285), (1310, 13828), (2620, 6914), (3457, 5240)]