19708474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10937}}^1$

素因数の和:11009

約数の個数: 16

約数和(自身を含む): 31895208

約数和(自身を除く): 12186734

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 10937, 21874, 185929, 371858, 579661, 1159322, 9854237, 19708474]

約数ペア:

[(1, 19708474), (2, 9854237), (17, 1159322), (34, 579661), (53, 371858), (106, 185929), (901, 21874), (1802, 10937)]