19958296

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3559

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 20361704

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 124, 184, 248, 713, 1426, 2852, 3499, 5704, 6998, 13996, 27992, 80477, 108469, 160954, 216938, 321908, 433876, 643816, 867752, 2494787, 4989574, 9979148, 19958296]

約数ペア:

[(1, 19958296), (2, 9979148), (4, 4989574), (8, 2494787), (23, 867752), (31, 643816), (46, 433876), (62, 321908), (92, 216938), (124, 160954), (184, 108469), (248, 80477), (713, 27992), (1426, 13996), (2852, 6998), (3499, 5704)]