19709481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10150359

約数列:

[1, 3, 11, 33, 53, 59, 159, 177, 191, 573, 583, 649, 1749, 1947, 2101, 3127, 6303, 9381, 10123, 11269, 30369, 33807, 34397, 103191, 111353, 123959, 334059, 371877, 597257, 1791771, 6569827, 19709481]

約数ペア:

[(1, 19709481), (3, 6569827), (11, 1791771), (33, 597257), (53, 371877), (59, 334059), (159, 123959), (177, 111353), (191, 103191), (573, 34397), (583, 33807), (649, 30369), (1749, 11269), (1947, 10123), (2101, 9381), (3127, 6303)]