19538253

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 35335872

約数和(自身を除く): 15797619

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 2027, 3213, 6081, 9639, 14189, 18243, 34459, 42567, 54729, 103377, 127701, 164187, 241213, 310131, 383103, 723639, 930393, 1149309, 2170917, 2791179, 6512751, 19538253]

約数ペア:

[(1, 19538253), (3, 6512751), (7, 2791179), (9, 2170917), (17, 1149309), (21, 930393), (27, 723639), (51, 383103), (63, 310131), (81, 241213), (119, 164187), (153, 127701), (189, 103377), (357, 54729), (459, 42567), (567, 34459), (1071, 18243), (1377, 14189), (2027, 9639), (3213, 6081)]