17940790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 19181834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1301, 1379, 1970, 2602, 2758, 6505, 6895, 9107, 13010, 13790, 18214, 45535, 91070, 256297, 512594, 1281485, 1794079, 2562970, 3588158, 8970395, 17940790]

約数ペア:

[(1, 17940790), (2, 8970395), (5, 3588158), (7, 2562970), (10, 1794079), (14, 1281485), (35, 512594), (70, 256297), (197, 91070), (394, 45535), (985, 18214), (1301, 13790), (1379, 13010), (1970, 9107), (2602, 6895), (2758, 6505)]