19138746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{709}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 41918400

約数和(自身を除く): 22779654

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 409, 709, 818, 1227, 1418, 2127, 2454, 4254, 4499, 7799, 8998, 13497, 15598, 23397, 26994, 46794, 289981, 579962, 869943, 1739886, 3189791, 6379582, 9569373, 19138746]

約数ペア:

[(1, 19138746), (2, 9569373), (3, 6379582), (6, 3189791), (11, 1739886), (22, 869943), (33, 579962), (66, 289981), (409, 46794), (709, 26994), (818, 23397), (1227, 15598), (1418, 13497), (2127, 8998), (2454, 7799), (4254, 4499)]