19212963

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 32980992

約数和(自身を除く): 13768029

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2683, 7161, 8049, 18781, 29513, 56343, 83173, 88539, 206591, 249519, 582211, 619773, 914903, 1746633, 2744709, 6404321, 19212963]

約数ペア:

[(1, 19212963), (3, 6404321), (7, 2744709), (11, 1746633), (21, 914903), (31, 619773), (33, 582211), (77, 249519), (93, 206591), (217, 88539), (231, 83173), (341, 56343), (651, 29513), (1023, 18781), (2387, 8049), (2683, 7161)]