18448641

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:974

約数の個数: 20

約数和(自身を含む): 27675604

約数和(自身を除く): 9226963

約数列:

[1, 3, 9, 27, 81, 421, 541, 1263, 1623, 3789, 4869, 11367, 14607, 34101, 43821, 227761, 683283, 2049849, 6149547, 18448641]

約数ペア:

[(1, 18448641), (3, 6149547), (9, 2049849), (27, 683283), (81, 227761), (421, 43821), (541, 34101), (1263, 14607), (1623, 11367), (3789, 4869)]