19732888

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 43707600

約数和(自身を除く): 23974712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 709, 994, 1418, 1988, 2836, 3479, 3976, 4963, 5672, 6958, 9926, 13916, 19852, 27832, 34741, 39704, 50339, 69482, 100678, 138964, 201356, 277928, 352373, 402712, 704746, 1409492, 2466611, 2818984, 4933222, 9866444, 19732888]

約数ペア:

[(1, 19732888), (2, 9866444), (4, 4933222), (7, 2818984), (8, 2466611), (14, 1409492), (28, 704746), (49, 402712), (56, 352373), (71, 277928), (98, 201356), (142, 138964), (196, 100678), (284, 69482), (392, 50339), (497, 39704), (568, 34741), (709, 27832), (994, 19852), (1418, 13916), (1988, 9926), (2836, 6958), (3479, 5672), (3976, 4963)]