18936560

素因数分解:

$2^4\times 5^1\times {\mathrm{236707}}^1$

素因数の和:236720

約数の個数: 20

約数和(自身を含む): 44027688

約数和(自身を除く): 25091128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236707, 473414, 946828, 1183535, 1893656, 2367070, 3787312, 4734140, 9468280, 18936560]

約数ペア:

[(1, 18936560), (2, 9468280), (4, 4734140), (5, 3787312), (8, 2367070), (10, 1893656), (16, 1183535), (20, 946828), (40, 473414), (80, 236707)]