19654372

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5113}}^1$

素因数の和:5179

約数の個数: 18

約数和(自身を含む): 35547414

約数和(自身を除く): 15893042

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5113, 10226, 20452, 158503, 317006, 634012, 4913593, 9827186, 19654372]

約数ペア:

[(1, 19654372), (2, 9827186), (4, 4913593), (31, 634012), (62, 317006), (124, 158503), (961, 20452), (1922, 10226), (3844, 5113)]