19855278

素因数分解:

$2^1\times 3^2\times {\mathrm{773}}^1\times {\mathrm{1427}}^1$

素因数の和:2208

約数の個数: 24

約数和(自身を含む): 43105608

約数和(自身を除く): 23250330

約数列:

[1, 2, 3, 6, 9, 18, 773, 1427, 1546, 2319, 2854, 4281, 4638, 6957, 8562, 12843, 13914, 25686, 1103071, 2206142, 3309213, 6618426, 9927639, 19855278]

約数ペア:

[(1, 19855278), (2, 9927639), (3, 6618426), (6, 3309213), (9, 2206142), (18, 1103071), (773, 25686), (1427, 13914), (1546, 12843), (2319, 8562), (2854, 6957), (4281, 4638)]