2640836638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1\times {\mathrm{3671}}^1$

素因数の和:5424

約数の個数: 32

約数和(自身を含む): 4552692480

約数和(自身を除く): 1911855842

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 1721, 3442, 3671, 7342, 18931, 32699, 37862, 40381, 65398, 69749, 80762, 139498, 359689, 719378, 767239, 1534478, 6317791, 12635582, 69495701, 120038029, 138991402, 240076058, 1320418319, 2640836638]

約数ペア:

[(1, 2640836638), (2, 1320418319), (11, 240076058), (19, 138991402), (22, 120038029), (38, 69495701), (209, 12635582), (418, 6317791), (1721, 1534478), (3442, 767239), (3671, 719378), (7342, 359689), (18931, 139498), (32699, 80762), (37862, 69749), (40381, 65398)]