19899639

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1151}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 30730752

約数和(自身を除く): 10831113

約数列:

[1, 3, 9, 17, 51, 113, 153, 339, 1017, 1151, 1921, 3453, 5763, 10359, 17289, 19567, 58701, 130063, 176103, 390189, 1170567, 2211071, 6633213, 19899639]

約数ペア:

[(1, 19899639), (3, 6633213), (9, 2211071), (17, 1170567), (51, 390189), (113, 176103), (153, 130063), (339, 58701), (1017, 19567), (1151, 17289), (1921, 10359), (3453, 5763)]