199975190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{17839}}^1$

素因数の和:17924

約数の個数: 32

約数和(自身を含む): 385344000

約数和(自身を除く): 185368810

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 5605, 11210, 17839, 35678, 89195, 178390, 338941, 677882, 1052501, 1694705, 2105002, 3389410, 5262505, 10525010, 19997519, 39995038, 99987595, 199975190]

約数ペア:

[(1, 199975190), (2, 99987595), (5, 39995038), (10, 19997519), (19, 10525010), (38, 5262505), (59, 3389410), (95, 2105002), (118, 1694705), (190, 1052501), (295, 677882), (590, 338941), (1121, 178390), (2242, 89195), (5605, 35678), (11210, 17839)]