19540215

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6481}}^1$

素因数の和:6559

約数の個数: 24

約数和(自身を含む): 34380528

約数和(自身を除く): 14840313

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6481, 19443, 32405, 58329, 97215, 291645, 434227, 1302681, 2171135, 3908043, 6513405, 19540215]

約数ペア:

[(1, 19540215), (3, 6513405), (5, 3908043), (9, 2171135), (15, 1302681), (45, 434227), (67, 291645), (201, 97215), (335, 58329), (603, 32405), (1005, 19443), (3015, 6481)]