19520828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 19942372

約数列:

[1, 2, 4, 17, 19, 29, 34, 38, 58, 68, 76, 116, 323, 493, 521, 551, 646, 986, 1042, 1102, 1292, 1972, 2084, 2204, 8857, 9367, 9899, 15109, 17714, 18734, 19798, 30218, 35428, 37468, 39596, 60436, 168283, 256853, 287071, 336566, 513706, 574142, 673132, 1027412, 1148284, 4880207, 9760414, 19520828]

約数ペア:

[(1, 19520828), (2, 9760414), (4, 4880207), (17, 1148284), (19, 1027412), (29, 673132), (34, 574142), (38, 513706), (58, 336566), (68, 287071), (76, 256853), (116, 168283), (323, 60436), (493, 39596), (521, 37468), (551, 35428), (646, 30218), (986, 19798), (1042, 18734), (1102, 17714), (1292, 15109), (1972, 9899), (2084, 9367), (2204, 8857)]