19561794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4273}}^1$

素因数の和:4394

約数の個数: 32

約数和(自身を含む): 45133440

約数和(自身を除く): 25571646

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4273, 4578, 8546, 12819, 25638, 29911, 59822, 89733, 179466, 465757, 931514, 1397271, 2794542, 3260299, 6520598, 9780897, 19561794]

約数ペア:

[(1, 19561794), (2, 9780897), (3, 6520598), (6, 3260299), (7, 2794542), (14, 1397271), (21, 931514), (42, 465757), (109, 179466), (218, 89733), (327, 59822), (654, 29911), (763, 25638), (1526, 12819), (2289, 8546), (4273, 4578)]