18021921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3643}}^1$

素因数の和:3760

約数の個数: 16

約数和(自身を含む): 25712064

約数和(自身を除く): 7690143

約数列:

[1, 3, 17, 51, 97, 291, 1649, 3643, 4947, 10929, 61931, 185793, 353371, 1060113, 6007307, 18021921]

約数ペア:

[(1, 18021921), (3, 6007307), (17, 1060113), (51, 353371), (97, 185793), (291, 61931), (1649, 10929), (3643, 4947)]