19918270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1327}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 18328130

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1327, 1501, 2654, 3002, 6635, 7505, 13270, 15010, 25213, 50426, 104833, 126065, 209666, 252130, 524165, 1048330, 1991827, 3983654, 9959135, 19918270]

約数ペア:

[(1, 19918270), (2, 9959135), (5, 3983654), (10, 1991827), (19, 1048330), (38, 524165), (79, 252130), (95, 209666), (158, 126065), (190, 104833), (395, 50426), (790, 25213), (1327, 15010), (1501, 13270), (2654, 7505), (3002, 6635)]