19987692

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{22817}}^1$

素因数の和:22897

約数の個数: 24

約数和(自身を含む): 47278896

約数和(自身を除く): 27291204

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 22817, 45634, 68451, 91268, 136902, 273804, 1665641, 3331282, 4996923, 6662564, 9993846, 19987692]

約数ペア:

[(1, 19987692), (2, 9993846), (3, 6662564), (4, 4996923), (6, 3331282), (12, 1665641), (73, 273804), (146, 136902), (219, 91268), (292, 68451), (438, 45634), (876, 22817)]