19991394

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1549}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 44640000

約数和(自身を除く): 24648606

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1549, 2151, 3098, 4302, 4647, 6453, 9294, 12906, 13941, 27882, 41823, 83646, 370211, 740422, 1110633, 2221266, 3331899, 6663798, 9995697, 19991394]

約数ペア:

[(1, 19991394), (2, 9995697), (3, 6663798), (6, 3331899), (9, 2221266), (18, 1110633), (27, 740422), (54, 370211), (239, 83646), (478, 41823), (717, 27882), (1434, 13941), (1549, 12906), (2151, 9294), (3098, 6453), (4302, 4647)]