19487024

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1229}}^1$

素因数の和:2228

約数の個数: 20

約数和(自身を含む): 37824960

約数和(自身を除く): 18337936

約数列:

[1, 2, 4, 8, 16, 991, 1229, 1982, 2458, 3964, 4916, 7928, 9832, 15856, 19664, 1217939, 2435878, 4871756, 9743512, 19487024]

約数ペア:

[(1, 19487024), (2, 9743512), (4, 4871756), (8, 2435878), (16, 1217939), (991, 19664), (1229, 15856), (1982, 9832), (2458, 7928), (3964, 4916)]