19898808

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5281}}^1$

素因数の和:5447

約数の個数: 32

約数和(自身を含む): 50073360

約数和(自身を除く): 30174552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5281, 10562, 15843, 21124, 31686, 42248, 63372, 126744, 829117, 1658234, 2487351, 3316468, 4974702, 6632936, 9949404, 19898808]

約数ペア:

[(1, 19898808), (2, 9949404), (3, 6632936), (4, 4974702), (6, 3316468), (8, 2487351), (12, 1658234), (24, 829117), (157, 126744), (314, 63372), (471, 42248), (628, 31686), (942, 21124), (1256, 15843), (1884, 10562), (3768, 5281)]