18379220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3391}}^1$

素因数の和:3671

約数の個数: 24

約数和(自身を含む): 38750208

約数和(自身を除く): 20370988

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3391, 5420, 6782, 13564, 16955, 33910, 67820, 918961, 1837922, 3675844, 4594805, 9189610, 18379220]

約数ペア:

[(1, 18379220), (2, 9189610), (4, 4594805), (5, 3675844), (10, 1837922), (20, 918961), (271, 67820), (542, 33910), (1084, 16955), (1355, 13564), (2710, 6782), (3391, 5420)]