18835677

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 33770880

約数和(自身を除く): 14935203

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 301, 357, 387, 409, 731, 903, 1071, 1227, 2193, 2709, 2863, 3681, 5117, 6579, 6953, 8589, 15351, 17587, 20859, 25767, 46053, 48671, 52761, 62577, 123109, 146013, 158283, 298979, 369327, 438039, 896937, 1107981, 2092853, 2690811, 6278559, 18835677]

約数ペア:

[(1, 18835677), (3, 6278559), (7, 2690811), (9, 2092853), (17, 1107981), (21, 896937), (43, 438039), (51, 369327), (63, 298979), (119, 158283), (129, 146013), (153, 123109), (301, 62577), (357, 52761), (387, 48671), (409, 46053), (731, 25767), (903, 20859), (1071, 17587), (1227, 15351), (2193, 8589), (2709, 6953), (2863, 6579), (3681, 5117)]