18917073

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1039}}^1$

素因数の和:1086

約数の個数: 36

約数和(自身を含む): 33205120

約数和(自身を除く): 14288047

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1039, 1071, 2023, 2601, 3117, 6069, 7273, 9351, 17663, 18207, 21819, 52989, 65457, 123641, 158967, 300271, 370923, 900813, 1112769, 2101897, 2702439, 6305691, 18917073]

約数ペア:

[(1, 18917073), (3, 6305691), (7, 2702439), (9, 2101897), (17, 1112769), (21, 900813), (51, 370923), (63, 300271), (119, 158967), (153, 123641), (289, 65457), (357, 52989), (867, 21819), (1039, 18207), (1071, 17663), (2023, 9351), (2601, 7273), (3117, 6069)]