19687402

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61141}}^1$

素因数の和:61173

約数の個数: 16

約数和(自身を含む): 35217792

約数和(自身を除く): 15530390

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61141, 122282, 427987, 855974, 1406243, 2812486, 9843701, 19687402]

約数ペア:

[(1, 19687402), (2, 9843701), (7, 2812486), (14, 1406243), (23, 855974), (46, 427987), (161, 122282), (322, 61141)]