19451360

素因数分解:

$2^5\times 5^1\times {\mathrm{121571}}^1$

素因数の和:121586

約数の個数: 24

約数和(自身を含む): 45954216

約数和(自身を除く): 26502856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121571, 243142, 486284, 607855, 972568, 1215710, 1945136, 2431420, 3890272, 4862840, 9725680, 19451360]

約数ペア:

[(1, 19451360), (2, 9725680), (4, 4862840), (5, 3890272), (8, 2431420), (10, 1945136), (16, 1215710), (20, 972568), (32, 607855), (40, 486284), (80, 243142), (160, 121571)]