17887828

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19367852

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 166, 172, 179, 301, 332, 358, 581, 602, 716, 1162, 1204, 1253, 2324, 2506, 3569, 5012, 7138, 7697, 14276, 14857, 15394, 24983, 29714, 30788, 49966, 53879, 59428, 99932, 103999, 107758, 207998, 215516, 415996, 638851, 1277702, 2555404, 4471957, 8943914, 17887828]

約数ペア:

[(1, 17887828), (2, 8943914), (4, 4471957), (7, 2555404), (14, 1277702), (28, 638851), (43, 415996), (83, 215516), (86, 207998), (166, 107758), (172, 103999), (179, 99932), (301, 59428), (332, 53879), (358, 49966), (581, 30788), (602, 29714), (716, 24983), (1162, 15394), (1204, 14857), (1253, 14276), (2324, 7697), (2506, 7138), (3569, 5012)]