19612620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108959}}^1$

素因数の和:108974

約数の個数: 36

約数和(自身を含む): 59492160

約数和(自身を除く): 39879540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108959, 217918, 326877, 435836, 544795, 653754, 980631, 1089590, 1307508, 1634385, 1961262, 2179180, 3268770, 3922524, 4903155, 6537540, 9806310, 19612620]

約数ペア:

[(1, 19612620), (2, 9806310), (3, 6537540), (4, 4903155), (5, 3922524), (6, 3268770), (9, 2179180), (10, 1961262), (12, 1634385), (15, 1307508), (18, 1089590), (20, 980631), (30, 653754), (36, 544795), (45, 435836), (60, 326877), (90, 217918), (180, 108959)]