19211457255

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{131671}}^1$

素因数の和:131887

約数の個数: 32

約数和(自身を含む): 31399031808

約数和(自身を除く): 12187574553

約数列:

[1, 3, 5, 15, 71, 137, 213, 355, 411, 685, 1065, 2055, 9727, 29181, 48635, 131671, 145905, 395013, 658355, 1975065, 9348641, 18038927, 28045923, 46743205, 54116781, 90194635, 140229615, 270583905, 1280763817, 3842291451, 6403819085, 19211457255]

約数ペア:

[(1, 19211457255), (3, 6403819085), (5, 3842291451), (15, 1280763817), (71, 270583905), (137, 140229615), (213, 90194635), (355, 54116781), (411, 46743205), (685, 28045923), (1065, 18038927), (2055, 9348641), (9727, 1975065), (29181, 658355), (48635, 395013), (131671, 145905)]