19117439

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 4590721

約数列:

[1, 11, 19, 23, 41, 97, 209, 253, 437, 451, 779, 943, 1067, 1843, 2231, 3977, 4807, 8569, 10373, 17917, 20273, 24541, 42389, 43747, 75563, 91471, 197087, 466279, 831193, 1006181, 1737949, 19117439]

約数ペア:

[(1, 19117439), (11, 1737949), (19, 1006181), (23, 831193), (41, 466279), (97, 197087), (209, 91471), (253, 75563), (437, 43747), (451, 42389), (779, 24541), (943, 20273), (1067, 17917), (1843, 10373), (2231, 8569), (3977, 4807)]