19773836

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 37347408

約数和(自身を除く): 17573572

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 157, 314, 628, 851, 1369, 1702, 2738, 3404, 3611, 5476, 5809, 7222, 11618, 14444, 23236, 31487, 62974, 125948, 133607, 214933, 267214, 429866, 534428, 859732, 4943459, 9886918, 19773836]

約数ペア:

[(1, 19773836), (2, 9886918), (4, 4943459), (23, 859732), (37, 534428), (46, 429866), (74, 267214), (92, 214933), (148, 133607), (157, 125948), (314, 62974), (628, 31487), (851, 23236), (1369, 14444), (1702, 11618), (2738, 7222), (3404, 5809), (3611, 5476)]