18776030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 23801890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 439, 455, 470, 611, 658, 878, 910, 1222, 1645, 2195, 3055, 3073, 3290, 4277, 4390, 5707, 6110, 6146, 8554, 11414, 15365, 20633, 21385, 28535, 30730, 39949, 41266, 42770, 57070, 79898, 103165, 144431, 199745, 206330, 268229, 288862, 399490, 536458, 722155, 1341145, 1444310, 1877603, 2682290, 3755206, 9388015, 18776030]

約数ペア:

[(1, 18776030), (2, 9388015), (5, 3755206), (7, 2682290), (10, 1877603), (13, 1444310), (14, 1341145), (26, 722155), (35, 536458), (47, 399490), (65, 288862), (70, 268229), (91, 206330), (94, 199745), (130, 144431), (182, 103165), (235, 79898), (329, 57070), (439, 42770), (455, 41266), (470, 39949), (611, 30730), (658, 28535), (878, 21385), (910, 20633), (1222, 15365), (1645, 11414), (2195, 8554), (3055, 6146), (3073, 6110), (3290, 5707), (4277, 4390)]