19970577

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 33984000

約数和(自身を除く): 14013423

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3539, 5643, 10617, 31851, 38929, 67241, 95553, 116787, 201723, 350361, 605169, 739651, 1051083, 1815507, 2218953, 6656859, 19970577]

約数ペア:

[(1, 19970577), (3, 6656859), (9, 2218953), (11, 1815507), (19, 1051083), (27, 739651), (33, 605169), (57, 350361), (99, 201723), (171, 116787), (209, 95553), (297, 67241), (513, 38929), (627, 31851), (1881, 10617), (3539, 5643)]