19548998

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{277}}^1$

素因数の和:428

約数の個数: 24

約数和(自身を含む): 34113936

約数和(自身を除く): 14564938

約数列:

[1, 2, 7, 14, 71, 142, 277, 497, 554, 994, 1939, 3878, 5041, 10082, 19667, 35287, 39334, 70574, 137669, 275338, 1396357, 2792714, 9774499, 19548998]

約数ペア:

[(1, 19548998), (2, 9774499), (7, 2792714), (14, 1396357), (71, 275338), (142, 137669), (277, 70574), (497, 39334), (554, 35287), (994, 19667), (1939, 10082), (3878, 5041)]