18887631

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1951}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 28858368

約数和(自身を除く): 9970737

約数列:

[1, 3, 7, 21, 461, 1383, 1951, 3227, 5853, 9681, 13657, 40971, 899411, 2698233, 6295877, 18887631]

約数ペア:

[(1, 18887631), (3, 6295877), (7, 2698233), (21, 899411), (461, 40971), (1383, 13657), (1951, 9681), (3227, 5853)]