19678644

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7699}}^1$

素因数の和:7780

約数の個数: 36

約数和(自身を含む): 50450400

約数和(自身を除く): 30771756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7699, 15398, 23097, 30796, 46194, 69291, 92388, 138582, 277164, 546629, 1093258, 1639887, 2186516, 3279774, 4919661, 6559548, 9839322, 19678644]

約数ペア:

[(1, 19678644), (2, 9839322), (3, 6559548), (4, 4919661), (6, 3279774), (9, 2186516), (12, 1639887), (18, 1093258), (36, 546629), (71, 277164), (142, 138582), (213, 92388), (284, 69291), (426, 46194), (639, 30796), (852, 23097), (1278, 15398), (2556, 7699)]