18725240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15101}}^1$

素因数の和:15143

約数の個数: 32

約数和(自身を含む): 43493760

約数和(自身を除く): 24768520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15101, 30202, 60404, 75505, 120808, 151010, 302020, 468131, 604040, 936262, 1872524, 2340655, 3745048, 4681310, 9362620, 18725240]

約数ペア:

[(1, 18725240), (2, 9362620), (4, 4681310), (5, 3745048), (8, 2340655), (10, 1872524), (20, 936262), (31, 604040), (40, 468131), (62, 302020), (124, 151010), (155, 120808), (248, 75505), (310, 60404), (620, 30202), (1240, 15101)]