1949020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 4515840

約数和(自身を除く): 2566820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 223, 230, 380, 437, 446, 460, 874, 892, 1115, 1748, 2185, 2230, 4237, 4370, 4460, 5129, 8474, 8740, 10258, 16948, 20516, 21185, 25645, 42370, 51290, 84740, 97451, 102580, 194902, 389804, 487255, 974510, 1949020]

約数ペア:

[(1, 1949020), (2, 974510), (4, 487255), (5, 389804), (10, 194902), (19, 102580), (20, 97451), (23, 84740), (38, 51290), (46, 42370), (76, 25645), (92, 21185), (95, 20516), (115, 16948), (190, 10258), (223, 8740), (230, 8474), (380, 5129), (437, 4460), (446, 4370), (460, 4237), (874, 2230), (892, 2185), (1115, 1748)]