19626140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16087}}^1$

素因数の和:16157

約数の個数: 24

約数和(自身を含む): 41893152

約数和(自身を除く): 22267012

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16087, 32174, 64348, 80435, 160870, 321740, 981307, 1962614, 3925228, 4906535, 9813070, 19626140]

約数ペア:

[(1, 19626140), (2, 9813070), (4, 4906535), (5, 3925228), (10, 1962614), (20, 981307), (61, 321740), (122, 160870), (244, 80435), (305, 64348), (610, 32174), (1220, 16087)]