19765377

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1464

約数の個数: 28

約数和(自身を含む): 31216080

約数和(自身を除く): 11450703

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1427, 1539, 4281, 4617, 12843, 13851, 27113, 38529, 81339, 115587, 244017, 346761, 732051, 1040283, 2196153, 6588459, 19765377]

約数ペア:

[(1, 19765377), (3, 6588459), (9, 2196153), (19, 1040283), (27, 732051), (57, 346761), (81, 244017), (171, 115587), (243, 81339), (513, 38529), (729, 27113), (1427, 13851), (1539, 12843), (4281, 4617)]