19570540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8087}}^1$

素因数の和:8118

約数の個数: 36

約数和(自身を含む): 45179568

約数和(自身を除く): 25609028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8087, 16174, 32348, 40435, 80870, 88957, 161740, 177914, 355828, 444785, 889570, 978527, 1779140, 1957054, 3914108, 4892635, 9785270, 19570540]

約数ペア:

[(1, 19570540), (2, 9785270), (4, 4892635), (5, 3914108), (10, 1957054), (11, 1779140), (20, 978527), (22, 889570), (44, 444785), (55, 355828), (110, 177914), (121, 161740), (220, 88957), (242, 80870), (484, 40435), (605, 32348), (1210, 16174), (2420, 8087)]