19561657980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{326027633}}^1$

素因数の和:326027645

約数の個数: 24

約数和(自身を含む): 54772642512

約数和(自身を除く): 35210984532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 326027633, 652055266, 978082899, 1304110532, 1630138165, 1956165798, 3260276330, 3912331596, 4890414495, 6520552660, 9780828990, 19561657980]

約数ペア:

[(1, 19561657980), (2, 9780828990), (3, 6520552660), (4, 4890414495), (5, 3912331596), (6, 3260276330), (10, 1956165798), (12, 1630138165), (15, 1304110532), (20, 978082899), (30, 652055266), (60, 326027633)]