19784908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34589}}^1$

素因数の和:34617

約数の個数: 24

約数和(自身を含む): 40677840

約数和(自身を除く): 20892932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34589, 69178, 138356, 380479, 449657, 760958, 899314, 1521916, 1798628, 4946227, 9892454, 19784908]

約数ペア:

[(1, 19784908), (2, 9892454), (4, 4946227), (11, 1798628), (13, 1521916), (22, 899314), (26, 760958), (44, 449657), (52, 380479), (143, 138356), (286, 69178), (572, 34589)]