18859426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 31243968

約数和(自身を除く): 12384542

約数列:

[1, 2, 17, 34, 41, 82, 83, 163, 166, 326, 697, 1394, 1411, 2771, 2822, 3403, 5542, 6683, 6806, 13366, 13529, 27058, 57851, 113611, 115702, 227222, 229993, 459986, 554689, 1109378, 9429713, 18859426]

約数ペア:

[(1, 18859426), (2, 9429713), (17, 1109378), (34, 554689), (41, 459986), (82, 229993), (83, 227222), (163, 115702), (166, 113611), (326, 57851), (697, 27058), (1394, 13529), (1411, 13366), (2771, 6806), (2822, 6683), (3403, 5542)]