18469820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54323}}^1$

素因数の和:54349

約数の個数: 24

約数和(自身を含む): 41068944

約数和(自身を除く): 22599124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54323, 108646, 217292, 271615, 543230, 923491, 1086460, 1846982, 3693964, 4617455, 9234910, 18469820]

約数ペア:

[(1, 18469820), (2, 9234910), (4, 4617455), (5, 3693964), (10, 1846982), (17, 1086460), (20, 923491), (34, 543230), (68, 271615), (85, 217292), (170, 108646), (340, 54323)]