16919060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 20336620

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 439, 470, 820, 878, 940, 1756, 1927, 2195, 3854, 4390, 7708, 8780, 9635, 17999, 19270, 20633, 35998, 38540, 41266, 71996, 82532, 89995, 103165, 179990, 206330, 359980, 412660, 845953, 1691906, 3383812, 4229765, 8459530, 16919060]

約数ペア:

[(1, 16919060), (2, 8459530), (4, 4229765), (5, 3383812), (10, 1691906), (20, 845953), (41, 412660), (47, 359980), (82, 206330), (94, 179990), (164, 103165), (188, 89995), (205, 82532), (235, 71996), (410, 41266), (439, 38540), (470, 35998), (820, 20633), (878, 19270), (940, 17999), (1756, 9635), (1927, 8780), (2195, 7708), (3854, 4390)]