19012972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:430

約数の個数: 36

約数和(自身を含む): 36949528

約数和(自身を除く): 17936556

約数列:

[1, 2, 4, 11, 22, 44, 121, 163, 241, 242, 326, 482, 484, 652, 964, 1793, 2651, 3586, 5302, 7172, 10604, 19723, 29161, 39283, 39446, 58322, 78566, 78892, 116644, 157132, 432113, 864226, 1728452, 4753243, 9506486, 19012972]

約数ペア:

[(1, 19012972), (2, 9506486), (4, 4753243), (11, 1728452), (22, 864226), (44, 432113), (121, 157132), (163, 116644), (241, 78892), (242, 78566), (326, 58322), (482, 39446), (484, 39283), (652, 29161), (964, 19723), (1793, 10604), (2651, 7172), (3586, 5302)]