19944795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4447}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 35868672

約数和(自身を除く): 15923877

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4447, 4485, 13341, 22235, 57811, 66705, 102281, 173433, 289055, 306843, 511405, 867165, 1329653, 1534215, 3988959, 6648265, 19944795]

約数ペア:

[(1, 19944795), (3, 6648265), (5, 3988959), (13, 1534215), (15, 1329653), (23, 867165), (39, 511405), (65, 306843), (69, 289055), (115, 173433), (195, 102281), (299, 66705), (345, 57811), (897, 22235), (1495, 13341), (4447, 4485)]