19913773061

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1\times {\mathrm{4813}}^1$

素因数の和:7245

約数の個数: 32

約数和(自身を含む): 25815363840

約数和(自身を除く): 5901590779

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 2393, 4813, 16751, 31109, 33691, 45467, 62569, 91447, 217763, 318269, 437983, 591071, 640129, 1188811, 4137497, 8321677, 11517509, 80622563, 149727617, 218832671, 1048093319, 1531828697, 2844824723, 19913773061]

約数ペア:

[(1, 19913773061), (7, 2844824723), (13, 1531828697), (19, 1048093319), (91, 218832671), (133, 149727617), (247, 80622563), (1729, 11517509), (2393, 8321677), (4813, 4137497), (16751, 1188811), (31109, 640129), (33691, 591071), (45467, 437983), (62569, 318269), (91447, 217763)]