19724128

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{32441}}^1$

素因数の和:32470

約数の個数: 24

約数和(自身を含む): 40876920

約数和(自身を除く): 21152792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 32441, 64882, 129764, 259528, 519056, 616379, 1038112, 1232758, 2465516, 4931032, 9862064, 19724128]

約数ペア:

[(1, 19724128), (2, 9862064), (4, 4931032), (8, 2465516), (16, 1232758), (19, 1038112), (32, 616379), (38, 519056), (76, 259528), (152, 129764), (304, 64882), (608, 32441)]