201811939

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 250560000

約数和(自身を除く): 48748061

約数列:

[1, 7, 19, 49, 133, 173, 179, 343, 931, 1211, 1253, 3287, 3401, 6517, 8477, 8771, 23009, 23807, 30967, 59339, 61397, 161063, 166649, 216769, 588373, 1127441, 1166543, 1517383, 4118611, 10621681, 28830277, 201811939]

約数ペア:

[(1, 201811939), (7, 28830277), (19, 10621681), (49, 4118611), (133, 1517383), (173, 1166543), (179, 1127441), (343, 588373), (931, 216769), (1211, 166649), (1253, 161063), (3287, 61397), (3401, 59339), (6517, 30967), (8477, 23807), (8771, 23009)]