19248691

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 6556109

約数列:

[1, 7, 11, 19, 59, 77, 133, 209, 223, 413, 649, 1121, 1463, 1561, 2453, 4237, 4543, 7847, 12331, 13157, 17171, 29659, 46607, 86317, 92099, 144727, 249983, 326249, 1013089, 1749881, 2749813, 19248691]

約数ペア:

[(1, 19248691), (7, 2749813), (11, 1749881), (19, 1013089), (59, 326249), (77, 249983), (133, 144727), (209, 92099), (223, 86317), (413, 46607), (649, 29659), (1121, 17171), (1463, 13157), (1561, 12331), (2453, 7847), (4237, 4543)]