19221675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 36211968

約数和(自身を除く): 16990293

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 1013, 1265, 1725, 3039, 3795, 5065, 6325, 11143, 15195, 18975, 23299, 25325, 33429, 55715, 69897, 75975, 116495, 167145, 256289, 278575, 349485, 582475, 768867, 835725, 1281445, 1747425, 3844335, 6407225, 19221675]

約数ペア:

[(1, 19221675), (3, 6407225), (5, 3844335), (11, 1747425), (15, 1281445), (23, 835725), (25, 768867), (33, 582475), (55, 349485), (69, 278575), (75, 256289), (115, 167145), (165, 116495), (253, 75975), (275, 69897), (345, 55715), (575, 33429), (759, 25325), (825, 23299), (1013, 18975), (1265, 15195), (1725, 11143), (3039, 6325), (3795, 5065)]