18986916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{121711}}^1$

素因数の和:121731

約数の個数: 24

約数和(自身を含む): 47711104

約数和(自身を除く): 28724188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 121711, 243422, 365133, 486844, 730266, 1460532, 1582243, 3164486, 4746729, 6328972, 9493458, 18986916]

約数ペア:

[(1, 18986916), (2, 9493458), (3, 6328972), (4, 4746729), (6, 3164486), (12, 1582243), (13, 1460532), (26, 730266), (39, 486844), (52, 365133), (78, 243422), (156, 121711)]