19219697

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 24760320

約数和(自身を除く): 5540623

約数列:

[1, 7, 19, 23, 61, 103, 133, 161, 427, 437, 721, 1159, 1403, 1957, 2369, 3059, 6283, 8113, 9821, 13699, 16583, 26657, 43981, 45011, 119377, 144509, 186599, 315077, 835639, 1011563, 2745671, 19219697]

約数ペア:

[(1, 19219697), (7, 2745671), (19, 1011563), (23, 835639), (61, 315077), (103, 186599), (133, 144509), (161, 119377), (427, 45011), (437, 43981), (721, 26657), (1159, 16583), (1403, 13699), (1957, 9821), (2369, 8113), (3059, 6283)]