18548516

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 20642524

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 431, 742, 812, 862, 1484, 1537, 1724, 3017, 3074, 6034, 6148, 10759, 12068, 12499, 21518, 22843, 24998, 43036, 45686, 49996, 87493, 91372, 159901, 174986, 319802, 349972, 639604, 662447, 1324894, 2649788, 4637129, 9274258, 18548516]

約数ペア:

[(1, 18548516), (2, 9274258), (4, 4637129), (7, 2649788), (14, 1324894), (28, 662447), (29, 639604), (53, 349972), (58, 319802), (106, 174986), (116, 159901), (203, 91372), (212, 87493), (371, 49996), (406, 45686), (431, 43036), (742, 24998), (812, 22843), (862, 21518), (1484, 12499), (1537, 12068), (1724, 10759), (3017, 6148), (3074, 6034)]