19243257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 30136320

約数和(自身を除く): 10893063

約数列:

[1, 3, 11, 19, 33, 47, 57, 141, 209, 517, 627, 653, 893, 1551, 1959, 2679, 7183, 9823, 12407, 21549, 29469, 30691, 37221, 92073, 136477, 337601, 409431, 583129, 1012803, 1749387, 6414419, 19243257]

約数ペア:

[(1, 19243257), (3, 6414419), (11, 1749387), (19, 1012803), (33, 583129), (47, 409431), (57, 337601), (141, 136477), (209, 92073), (517, 37221), (627, 30691), (653, 29469), (893, 21549), (1551, 12407), (1959, 9823), (2679, 7183)]