19742170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2182

約数の個数: 32

約数和(自身を含む): 40924800

約数和(自身を除く): 21182630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2029, 4058, 4865, 9730, 10145, 14203, 20290, 28406, 71015, 142030, 282031, 564062, 1410155, 1974217, 2820310, 3948434, 9871085, 19742170]

約数ペア:

[(1, 19742170), (2, 9871085), (5, 3948434), (7, 2820310), (10, 1974217), (14, 1410155), (35, 564062), (70, 282031), (139, 142030), (278, 71015), (695, 28406), (973, 20290), (1390, 14203), (1946, 10145), (2029, 9730), (4058, 4865)]