19755358

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 15339170

約数列:

[1, 2, 7, 14, 41, 82, 127, 254, 271, 287, 542, 574, 889, 1778, 1897, 3794, 5207, 10414, 11111, 22222, 34417, 36449, 68834, 72898, 77777, 155554, 240919, 481838, 1411097, 2822194, 9877679, 19755358]

約数ペア:

[(1, 19755358), (2, 9877679), (7, 2822194), (14, 1411097), (41, 481838), (82, 240919), (127, 155554), (254, 77777), (271, 72898), (287, 68834), (542, 36449), (574, 34417), (889, 22222), (1778, 11111), (1897, 10414), (3794, 5207)]