19948245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 13892907

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 863, 1005, 1541, 2589, 4315, 4623, 7705, 12945, 19849, 23115, 57821, 59547, 99245, 173463, 289105, 297735, 867315, 1329883, 3989649, 6649415, 19948245]

約数ペア:

[(1, 19948245), (3, 6649415), (5, 3989649), (15, 1329883), (23, 867315), (67, 297735), (69, 289105), (115, 173463), (201, 99245), (335, 59547), (345, 57821), (863, 23115), (1005, 19849), (1541, 12945), (2589, 7705), (4315, 4623)]