19718368852

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{106427}}^1$

素因数の和:106960

約数の個数: 48

約数和(自身を含む): 42554171520

約数和(自身を除く): 22835802668

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 509, 1018, 2036, 3563, 6617, 7126, 13234, 14252, 26468, 46319, 92638, 106427, 185276, 212854, 425708, 744989, 1383551, 1489978, 2767102, 2979956, 5534204, 9684857, 19369714, 38739428, 54171343, 108342686, 216685372, 379199401, 704227459, 758398802, 1408454918, 1516797604, 2816909836, 4929592213, 9859184426, 19718368852]

約数ペア:

[(1, 19718368852), (2, 9859184426), (4, 4929592213), (7, 2816909836), (13, 1516797604), (14, 1408454918), (26, 758398802), (28, 704227459), (52, 379199401), (91, 216685372), (182, 108342686), (364, 54171343), (509, 38739428), (1018, 19369714), (2036, 9684857), (3563, 5534204), (6617, 2979956), (7126, 2767102), (13234, 1489978), (14252, 1383551), (26468, 744989), (46319, 425708), (92638, 212854), (106427, 185276)]