19078215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 14016441

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 431, 681, 1135, 1293, 2155, 2951, 3405, 5603, 6465, 8853, 14755, 16809, 28015, 44265, 84045, 97837, 293511, 489185, 1271881, 1467555, 3815643, 6359405, 19078215]

約数ペア:

[(1, 19078215), (3, 6359405), (5, 3815643), (13, 1467555), (15, 1271881), (39, 489185), (65, 293511), (195, 97837), (227, 84045), (431, 44265), (681, 28015), (1135, 16809), (1293, 14755), (2155, 8853), (2951, 6465), (3405, 5603)]