19561380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{326023}}^1$

素因数の和:326035

約数の個数: 24

約数和(自身を含む): 54772032

約数和(自身を除く): 35210652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 326023, 652046, 978069, 1304092, 1630115, 1956138, 3260230, 3912276, 4890345, 6520460, 9780690, 19561380]

約数ペア:

[(1, 19561380), (2, 9780690), (3, 6520460), (4, 4890345), (5, 3912276), (6, 3260230), (10, 1956138), (12, 1630115), (15, 1304092), (20, 978069), (30, 652046), (60, 326023)]