18890892

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1283}}^1$

素因数の和:1702

約数の個数: 36

約数和(自身を含む): 47906040

約数和(自身を除く): 29015148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1283, 1636, 2454, 2566, 3681, 3849, 4908, 5132, 7362, 7698, 11547, 14724, 15396, 23094, 46188, 524747, 1049494, 1574241, 2098988, 3148482, 4722723, 6296964, 9445446, 18890892]

約数ペア:

[(1, 18890892), (2, 9445446), (3, 6296964), (4, 4722723), (6, 3148482), (9, 2098988), (12, 1574241), (18, 1049494), (36, 524747), (409, 46188), (818, 23094), (1227, 15396), (1283, 14724), (1636, 11547), (2454, 7698), (2566, 7362), (3681, 5132), (3849, 4908)]