17939992

素因数分解:

$2^3\times 7^1\times {\mathrm{457}}^1\times {\mathrm{701}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 38581920

約数和(自身を除く): 20641928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 457, 701, 914, 1402, 1828, 2804, 3199, 3656, 4907, 5608, 6398, 9814, 12796, 19628, 25592, 39256, 320357, 640714, 1281428, 2242499, 2562856, 4484998, 8969996, 17939992]

約数ペア:

[(1, 17939992), (2, 8969996), (4, 4484998), (7, 2562856), (8, 2242499), (14, 1281428), (28, 640714), (56, 320357), (457, 39256), (701, 25592), (914, 19628), (1402, 12796), (1828, 9814), (2804, 6398), (3199, 5608), (3656, 4907)]