18964724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 18230476

約数列:

[1, 2, 4, 17, 29, 34, 58, 59, 68, 116, 118, 163, 236, 326, 493, 652, 986, 1003, 1711, 1972, 2006, 2771, 3422, 4012, 4727, 5542, 6844, 9454, 9617, 11084, 18908, 19234, 29087, 38468, 58174, 80359, 116348, 160718, 163489, 278893, 321436, 326978, 557786, 653956, 1115572, 4741181, 9482362, 18964724]

約数ペア:

[(1, 18964724), (2, 9482362), (4, 4741181), (17, 1115572), (29, 653956), (34, 557786), (58, 326978), (59, 321436), (68, 278893), (116, 163489), (118, 160718), (163, 116348), (236, 80359), (326, 58174), (493, 38468), (652, 29087), (986, 19234), (1003, 18908), (1711, 11084), (1972, 9617), (2006, 9454), (2771, 6844), (3422, 5542), (4012, 4727)]