19232840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43711}}^1$

素因数の和:43733

約数の個数: 32

約数和(自身を含む): 47208960

約数和(自身を除く): 27976120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43711, 87422, 174844, 218555, 349688, 437110, 480821, 874220, 961642, 1748440, 1923284, 2404105, 3846568, 4808210, 9616420, 19232840]

約数ペア:

[(1, 19232840), (2, 9616420), (4, 4808210), (5, 3846568), (8, 2404105), (10, 1923284), (11, 1748440), (20, 961642), (22, 874220), (40, 480821), (44, 437110), (55, 349688), (88, 218555), (110, 174844), (220, 87422), (440, 43711)]