19064552

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 20463448

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 169, 236, 239, 338, 472, 478, 676, 767, 956, 1352, 1534, 1912, 3068, 3107, 6136, 6214, 9971, 12428, 14101, 19942, 24856, 28202, 39884, 40391, 56404, 79768, 80782, 112808, 161564, 183313, 323128, 366626, 733252, 1466504, 2383069, 4766138, 9532276, 19064552]

約数ペア:

[(1, 19064552), (2, 9532276), (4, 4766138), (8, 2383069), (13, 1466504), (26, 733252), (52, 366626), (59, 323128), (104, 183313), (118, 161564), (169, 112808), (236, 80782), (239, 79768), (338, 56404), (472, 40391), (478, 39884), (676, 28202), (767, 24856), (956, 19942), (1352, 14101), (1534, 12428), (1912, 9971), (3068, 6214), (3107, 6136)]