19439948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11941}}^1$

素因数の和:11993

約数の個数: 24

約数和(自身を含む): 38118864

約数和(自身を除く): 18678916

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 11941, 23882, 47764, 131351, 262702, 441817, 525404, 883634, 1767268, 4859987, 9719974, 19439948]

約数ペア:

[(1, 19439948), (2, 9719974), (4, 4859987), (11, 1767268), (22, 883634), (37, 525404), (44, 441817), (74, 262702), (148, 131351), (407, 47764), (814, 23882), (1628, 11941)]