18996309

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{10501}}^1$

素因数の和:10577

約数の個数: 16

約数和(自身を含む): 28565440

約数和(自身を除く): 9569131

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 10501, 31503, 94509, 283527, 703567, 2110701, 6332103, 18996309]

約数ペア:

[(1, 18996309), (3, 6332103), (9, 2110701), (27, 703567), (67, 283527), (201, 94509), (603, 31503), (1809, 10501)]