19220260

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1523}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 40453056

約数和(自身を除く): 21232796

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1523, 2524, 3046, 3155, 6092, 6310, 7615, 12620, 15230, 30460, 961013, 1922026, 3844052, 4805065, 9610130, 19220260]

約数ペア:

[(1, 19220260), (2, 9610130), (4, 4805065), (5, 3844052), (10, 1922026), (20, 961013), (631, 30460), (1262, 15230), (1523, 12620), (2524, 7615), (3046, 6310), (3155, 6092)]