19818052407

素因数分解:

$3^3\times {\mathrm{15803}}^1\times {\mathrm{46447}}^1$

素因数の和:62259

約数の個数: 16

約数和(自身を含む): 29362567680

約数和(自身を除く): 9544515273

約数列:

[1, 3, 9, 27, 15803, 46447, 47409, 139341, 142227, 418023, 426681, 1254069, 734001941, 2202005823, 6606017469, 19818052407]

約数ペア:

[(1, 19818052407), (3, 6606017469), (9, 2202005823), (27, 734001941), (15803, 1254069), (46447, 426681), (47409, 418023), (139341, 142227)]