18999632

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8543}}^1$

素因数の和:8690

約数の個数: 20

約数和(自身を含む): 37080960

約数和(自身を除く): 18081328

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8543, 17086, 34172, 68344, 136688, 1187477, 2374954, 4749908, 9499816, 18999632]

約数ペア:

[(1, 18999632), (2, 9499816), (4, 4749908), (8, 2374954), (16, 1187477), (139, 136688), (278, 68344), (556, 34172), (1112, 17086), (2224, 8543)]