19875436

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2699}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 20041364

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2699, 3682, 5398, 7364, 10796, 18893, 37786, 75572, 709837, 1419674, 2839348, 4968859, 9937718, 19875436]

約数ペア:

[(1, 19875436), (2, 9937718), (4, 4968859), (7, 2839348), (14, 1419674), (28, 709837), (263, 75572), (526, 37786), (1052, 18893), (1841, 10796), (2699, 7364), (3682, 5398)]