18744861

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 25710080

約数和(自身を除く): 6965219

約数列:

[1, 3, 43, 129, 331, 439, 993, 1317, 14233, 18877, 42699, 56631, 145309, 435927, 6248287, 18744861]

約数ペア:

[(1, 18744861), (3, 6248287), (43, 435927), (129, 145309), (331, 56631), (439, 42699), (993, 18877), (1317, 14233)]