16986950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{17881}}^1$

素因数の和:17912

約数の個数: 24

約数和(自身を含む): 33260520

約数和(自身を除く): 16273570

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 17881, 35762, 89405, 178810, 339739, 447025, 679478, 894050, 1698695, 3397390, 8493475, 16986950]

約数ペア:

[(1, 16986950), (2, 8493475), (5, 3397390), (10, 1698695), (19, 894050), (25, 679478), (38, 447025), (50, 339739), (95, 178810), (190, 89405), (475, 35762), (950, 17881)]