19642804

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 35376768

約数和(自身を除く): 15733964

約数列:

[1, 2, 4, 47, 94, 163, 188, 326, 641, 652, 1282, 2564, 7661, 15322, 30127, 30644, 60254, 104483, 120508, 208966, 417932, 4910701, 9821402, 19642804]

約数ペア:

[(1, 19642804), (2, 9821402), (4, 4910701), (47, 417932), (94, 208966), (163, 120508), (188, 104483), (326, 60254), (641, 30644), (652, 30127), (1282, 15322), (2564, 7661)]