19542789

素因数分解:

$3^5\times 7^1\times {\mathrm{11489}}^1$

素因数の和:11511

約数の個数: 24

約数和(自身を含む): 33458880

約数和(自身を除く): 13916091

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11489, 34467, 80423, 103401, 241269, 310203, 723807, 930609, 2171421, 2791827, 6514263, 19542789]

約数ペア:

[(1, 19542789), (3, 6514263), (7, 2791827), (9, 2171421), (21, 930609), (27, 723807), (63, 310203), (81, 241269), (189, 103401), (243, 80423), (567, 34467), (1701, 11489)]