18120650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{12497}}^1$

素因数の和:12538

約数の個数: 24

約数和(自身を含む): 34869420

約数和(自身を除く): 16748770

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 12497, 24994, 62485, 124970, 312425, 362413, 624850, 724826, 1812065, 3624130, 9060325, 18120650]

約数ペア:

[(1, 18120650), (2, 9060325), (5, 3624130), (10, 1812065), (25, 724826), (29, 624850), (50, 362413), (58, 312425), (145, 124970), (290, 62485), (725, 24994), (1450, 12497)]