19384617

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2557}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 31187136

約数和(自身を除く): 11802519

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2557, 7581, 7671, 17899, 48583, 53697, 145749, 340081, 923077, 1020243, 2769231, 6461539, 19384617]

約数ペア:

[(1, 19384617), (3, 6461539), (7, 2769231), (19, 1020243), (21, 923077), (57, 340081), (133, 145749), (361, 53697), (399, 48583), (1083, 17899), (2527, 7671), (2557, 7581)]