18379970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19722430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1889, 1946, 3778, 4865, 9445, 9730, 13223, 18890, 26446, 66115, 132230, 262571, 525142, 1312855, 1837997, 2625710, 3675994, 9189985, 18379970]

約数ペア:

[(1, 18379970), (2, 9189985), (5, 3675994), (7, 2625710), (10, 1837997), (14, 1312855), (35, 525142), (70, 262571), (139, 132230), (278, 66115), (695, 26446), (973, 18890), (1390, 13223), (1889, 9730), (1946, 9445), (3778, 4865)]