19561860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108677}}^1$

素因数の和:108692

約数の個数: 36

約数和(自身を含む): 59338188

約数和(自身を除く): 39776328

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108677, 217354, 326031, 434708, 543385, 652062, 978093, 1086770, 1304124, 1630155, 1956186, 2173540, 3260310, 3912372, 4890465, 6520620, 9780930, 19561860]

約数ペア:

[(1, 19561860), (2, 9780930), (3, 6520620), (4, 4890465), (5, 3912372), (6, 3260310), (9, 2173540), (10, 1956186), (12, 1630155), (15, 1304124), (18, 1086770), (20, 978093), (30, 652062), (36, 543385), (45, 434708), (60, 326031), (90, 217354), (180, 108677)]