17893928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 39690000

約数和(自身を除く): 21796072

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 221, 232, 349, 377, 442, 493, 698, 754, 884, 986, 1396, 1508, 1768, 1972, 2792, 3016, 3944, 4537, 5933, 6409, 9074, 10121, 11866, 12818, 18148, 20242, 23732, 25636, 36296, 40484, 47464, 51272, 77129, 80968, 131573, 154258, 172057, 263146, 308516, 344114, 526292, 617032, 688228, 1052584, 1376456, 2236741, 4473482, 8946964, 17893928]

約数ペア:

[(1, 17893928), (2, 8946964), (4, 4473482), (8, 2236741), (13, 1376456), (17, 1052584), (26, 688228), (29, 617032), (34, 526292), (52, 344114), (58, 308516), (68, 263146), (104, 172057), (116, 154258), (136, 131573), (221, 80968), (232, 77129), (349, 51272), (377, 47464), (442, 40484), (493, 36296), (698, 25636), (754, 23732), (884, 20242), (986, 18148), (1396, 12818), (1508, 11866), (1768, 10121), (1972, 9074), (2792, 6409), (3016, 5933), (3944, 4537)]