19639845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25673}}^1$

素因数の和:25701

約数の個数: 24

約数和(自身を含む): 36046296

約数和(自身を除く): 16406451

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25673, 77019, 128365, 231057, 385095, 436441, 1155285, 1309323, 2182205, 3927969, 6546615, 19639845]

約数ペア:

[(1, 19639845), (3, 6546615), (5, 3927969), (9, 2182205), (15, 1309323), (17, 1155285), (45, 436441), (51, 385095), (85, 231057), (153, 128365), (255, 77019), (765, 25673)]