19868030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3153

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24947650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3119, 3185, 6238, 6370, 15595, 21833, 31190, 40547, 43666, 81094, 109165, 152831, 202735, 218330, 283829, 305662, 405470, 567658, 764155, 1419145, 1528310, 1986803, 2838290, 3973606, 9934015, 19868030]

約数ペア:

[(1, 19868030), (2, 9934015), (5, 3973606), (7, 2838290), (10, 1986803), (13, 1528310), (14, 1419145), (26, 764155), (35, 567658), (49, 405470), (65, 305662), (70, 283829), (91, 218330), (98, 202735), (130, 152831), (182, 109165), (245, 81094), (455, 43666), (490, 40547), (637, 31190), (910, 21833), (1274, 15595), (3119, 6370), (3185, 6238)]