18226988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:546

約数の個数: 36

約数和(自身を含む): 35201880

約数和(自身を除く): 16974892

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 338, 457, 676, 767, 914, 1534, 1828, 3068, 5941, 9971, 11882, 19942, 23764, 26963, 39884, 53926, 77233, 107852, 154466, 308932, 350519, 701038, 1402076, 4556747, 9113494, 18226988]

約数ペア:

[(1, 18226988), (2, 9113494), (4, 4556747), (13, 1402076), (26, 701038), (52, 350519), (59, 308932), (118, 154466), (169, 107852), (236, 77233), (338, 53926), (457, 39884), (676, 26963), (767, 23764), (914, 19942), (1534, 11882), (1828, 9971), (3068, 5941)]