19630940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140221}}^1$

素因数の和:140237

約数の個数: 24

約数和(自身を含む): 47114592

約数和(自身を除く): 27483652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140221, 280442, 560884, 701105, 981547, 1402210, 1963094, 2804420, 3926188, 4907735, 9815470, 19630940]

約数ペア:

[(1, 19630940), (2, 9815470), (4, 4907735), (5, 3926188), (7, 2804420), (10, 1963094), (14, 1402210), (20, 981547), (28, 701105), (35, 560884), (70, 280442), (140, 140221)]