19803897

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3299}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 11084103

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3299, 6003, 9897, 29691, 75877, 95671, 227631, 287013, 682893, 861039, 2200433, 6601299, 19803897]

約数ペア:

[(1, 19803897), (3, 6601299), (9, 2200433), (23, 861039), (29, 682893), (69, 287013), (87, 227631), (207, 95671), (261, 75877), (667, 29691), (2001, 9897), (3299, 6003)]