18728458

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78691}}^1$

素因数の和:78717

約数の個数: 16

約数和(自身を含む): 33994944

約数和(自身を除く): 15266486

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 78691, 157382, 550837, 1101674, 1337747, 2675494, 9364229, 18728458]

約数ペア:

[(1, 18728458), (2, 9364229), (7, 2675494), (14, 1337747), (17, 1101674), (34, 550837), (119, 157382), (238, 78691)]