19971204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:8000

約数の個数: 48

約数和(自身を含む): 53518080

約数和(自身を除く): 33546876

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 7963, 15926, 23889, 31852, 47778, 87593, 95556, 151297, 175186, 262779, 302594, 350372, 453891, 525558, 605188, 907782, 1051116, 1664267, 1815564, 3328534, 4992801, 6657068, 9985602, 19971204]

約数ペア:

[(1, 19971204), (2, 9985602), (3, 6657068), (4, 4992801), (6, 3328534), (11, 1815564), (12, 1664267), (19, 1051116), (22, 907782), (33, 605188), (38, 525558), (44, 453891), (57, 350372), (66, 302594), (76, 262779), (114, 175186), (132, 151297), (209, 95556), (228, 87593), (418, 47778), (627, 31852), (836, 23889), (1254, 15926), (2508, 7963)]