19908133028

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1\times {\mathrm{4481}}^1$

素因数の和:6164

約数の個数: 48

約数和(自身を含む): 40245061248

約数和(自身を除く): 20336928220

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 1571, 2828, 3142, 4481, 6284, 8962, 10997, 17924, 21994, 31367, 43988, 62734, 125468, 158671, 317342, 452581, 634684, 905162, 1110697, 1810324, 2221394, 3168067, 4442788, 6336134, 7039651, 12672268, 14079302, 28158604, 49277557, 98555114, 197110228, 711004751, 1422009502, 2844019004, 4977033257, 9954066514, 19908133028]

約数ペア:

[(1, 19908133028), (2, 9954066514), (4, 4977033257), (7, 2844019004), (14, 1422009502), (28, 711004751), (101, 197110228), (202, 98555114), (404, 49277557), (707, 28158604), (1414, 14079302), (1571, 12672268), (2828, 7039651), (3142, 6336134), (4481, 4442788), (6284, 3168067), (8962, 2221394), (10997, 1810324), (17924, 1110697), (21994, 905162), (31367, 634684), (43988, 452581), (62734, 317342), (125468, 158671)]