18769972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 36

約数和(自身を含む): 37607500

約数和(自身を除く): 18837528

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1249, 2498, 3757, 4996, 7514, 15028, 16237, 21233, 32474, 42466, 64948, 84932, 276029, 360961, 552058, 721922, 1104116, 1443844, 4692493, 9384986, 18769972]

約数ペア:

[(1, 18769972), (2, 9384986), (4, 4692493), (13, 1443844), (17, 1104116), (26, 721922), (34, 552058), (52, 360961), (68, 276029), (221, 84932), (289, 64948), (442, 42466), (578, 32474), (884, 21233), (1156, 16237), (1249, 15028), (2498, 7514), (3757, 4996)]