19868652008

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{383}}^1\times {\mathrm{66851}}^1$

素因数の和:67337

約数の個数: 32

約数和(自身を含む): 37736616960

約数和(自身を除く): 17867964952

約数列:

[1, 2, 4, 8, 97, 194, 383, 388, 766, 776, 1532, 3064, 37151, 66851, 74302, 133702, 148604, 267404, 297208, 534808, 6484547, 12969094, 25603933, 25938188, 51207866, 51876376, 102415732, 204831464, 2483581501, 4967163002, 9934326004, 19868652008]

約数ペア:

[(1, 19868652008), (2, 9934326004), (4, 4967163002), (8, 2483581501), (97, 204831464), (194, 102415732), (383, 51876376), (388, 51207866), (766, 25938188), (776, 25603933), (1532, 12969094), (3064, 6484547), (37151, 534808), (66851, 297208), (74302, 267404), (133702, 148604)]