19162672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70451}}^1$

素因数の和:70476

約数の個数: 20

約数和(自身を含む): 39312216

約数和(自身を除く): 20149544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70451, 140902, 281804, 563608, 1127216, 1197667, 2395334, 4790668, 9581336, 19162672]

約数ペア:

[(1, 19162672), (2, 9581336), (4, 4790668), (8, 2395334), (16, 1197667), (17, 1127216), (34, 563608), (68, 281804), (136, 140902), (272, 70451)]