19535553

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 30825600

約数和(自身を除く): 11290047

約数列:

[1, 3, 9, 19, 27, 57, 113, 171, 337, 339, 513, 1011, 1017, 2147, 3033, 3051, 6403, 6441, 9099, 19209, 19323, 38081, 57627, 57969, 114243, 172881, 342729, 723539, 1028187, 2170617, 6511851, 19535553]

約数ペア:

[(1, 19535553), (3, 6511851), (9, 2170617), (19, 1028187), (27, 723539), (57, 342729), (113, 172881), (171, 114243), (337, 57969), (339, 57627), (513, 38081), (1011, 19323), (1017, 19209), (2147, 9099), (3033, 6441), (3051, 6403)]