18984857

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 20592000

約数和(自身を除く): 1607143

約数列:

[1, 19, 89, 103, 109, 1691, 1957, 2071, 9167, 9701, 11227, 174173, 184319, 213313, 999203, 18984857]

約数ペア:

[(1, 18984857), (19, 999203), (89, 213313), (103, 184319), (109, 174173), (1691, 11227), (1957, 9701), (2071, 9167)]