19847724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 50953728

約数和(自身を除く): 31106004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2707, 3666, 5414, 7332, 8121, 10828, 16242, 32484, 35191, 70382, 105573, 127229, 140764, 211146, 254458, 381687, 422292, 508916, 763374, 1526748, 1653977, 3307954, 4961931, 6615908, 9923862, 19847724]

約数ペア:

[(1, 19847724), (2, 9923862), (3, 6615908), (4, 4961931), (6, 3307954), (12, 1653977), (13, 1526748), (26, 763374), (39, 508916), (47, 422292), (52, 381687), (78, 254458), (94, 211146), (141, 140764), (156, 127229), (188, 105573), (282, 70382), (564, 35191), (611, 32484), (1222, 16242), (1833, 10828), (2444, 8121), (2707, 7332), (3666, 5414)]