18901479933

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8108743}}^1$

素因数の和:8108793

約数の個数: 24

約数和(自身を含む): 32045756288

約数和(自身を除く): 13144276355

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8108743, 24326229, 56761201, 72978687, 170283603, 300023491, 510850809, 900070473, 2100164437, 2700211419, 6300493311, 18901479933]

約数ペア:

[(1, 18901479933), (3, 6300493311), (7, 2700211419), (9, 2100164437), (21, 900070473), (37, 510850809), (63, 300023491), (111, 170283603), (259, 72978687), (333, 56761201), (777, 24326229), (2331, 8108743)]