18830245

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2731}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 25964928

約数和(自身を除く): 7134683

約数列:

[1, 5, 7, 35, 197, 985, 1379, 2731, 6895, 13655, 19117, 95585, 538007, 2690035, 3766049, 18830245]

約数ペア:

[(1, 18830245), (5, 3766049), (7, 2690035), (35, 538007), (197, 95585), (985, 19117), (1379, 13655), (2731, 6895)]