18521645

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1889}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 23269680

約数和(自身を除く): 4748035

約数列:

[1, 5, 37, 53, 185, 265, 1889, 1961, 9445, 9805, 69893, 100117, 349465, 500585, 3704329, 18521645]

約数ペア:

[(1, 18521645), (5, 3704329), (37, 500585), (53, 349465), (185, 100117), (265, 69893), (1889, 9805), (1961, 9445)]