19963818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{158443}}^1$

素因数の和:158458

約数の個数: 24

約数和(自身を含む): 49434528

約数和(自身を除く): 29470710

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 158443, 316886, 475329, 950658, 1109101, 1425987, 2218202, 2851974, 3327303, 6654606, 9981909, 19963818]

約数ペア:

[(1, 19963818), (2, 9981909), (3, 6654606), (6, 3327303), (7, 2851974), (9, 2218202), (14, 1425987), (18, 1109101), (21, 950658), (42, 475329), (63, 316886), (126, 158443)]