19556978

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1226

約数の個数: 24

約数和(自身を含む): 34332012

約数和(自身を除く): 14775034

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1013, 1379, 2026, 2758, 7091, 9653, 14182, 19306, 49637, 99274, 199561, 399122, 1396927, 2793854, 9778489, 19556978]

約数ペア:

[(1, 19556978), (2, 9778489), (7, 2793854), (14, 1396927), (49, 399122), (98, 199561), (197, 99274), (394, 49637), (1013, 19306), (1379, 14182), (2026, 9653), (2758, 7091)]