18029620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 43787520

約数和(自身を除く): 25757900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1447, 1780, 2492, 2894, 3115, 5788, 6230, 7235, 10129, 12460, 14470, 20258, 28940, 40516, 50645, 101290, 128783, 202580, 257566, 515132, 643915, 901481, 1287830, 1802962, 2575660, 3605924, 4507405, 9014810, 18029620]

約数ペア:

[(1, 18029620), (2, 9014810), (4, 4507405), (5, 3605924), (7, 2575660), (10, 1802962), (14, 1287830), (20, 901481), (28, 643915), (35, 515132), (70, 257566), (89, 202580), (140, 128783), (178, 101290), (356, 50645), (445, 40516), (623, 28940), (890, 20258), (1246, 14470), (1447, 12460), (1780, 10129), (2492, 7235), (2894, 6230), (3115, 5788)]