19979874

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{27073}}^1$

素因数の和:27122

約数の個数: 24

約数和(自身を含む): 44347212

約数和(自身を除く): 24367338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 27073, 54146, 81219, 162438, 243657, 487314, 1109993, 2219986, 3329979, 6659958, 9989937, 19979874]

約数ペア:

[(1, 19979874), (2, 9989937), (3, 6659958), (6, 3329979), (9, 2219986), (18, 1109993), (41, 487314), (82, 243657), (123, 162438), (246, 81219), (369, 54146), (738, 27073)]