19859990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 37285920

約数和(自身を除く): 17425930

約数列:

[1, 2, 5, 10, 41, 59, 82, 118, 205, 295, 410, 590, 821, 1642, 2419, 4105, 4838, 8210, 12095, 24190, 33661, 48439, 67322, 96878, 168305, 242195, 336610, 484390, 1985999, 3971998, 9929995, 19859990]

約数ペア:

[(1, 19859990), (2, 9929995), (5, 3971998), (10, 1985999), (41, 484390), (59, 336610), (82, 242195), (118, 168305), (205, 96878), (295, 67322), (410, 48439), (590, 33661), (821, 24190), (1642, 12095), (2419, 8210), (4105, 4838)]