18778380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6659}}^1$

素因数の和:6718

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 34927860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6659, 13318, 19977, 26636, 33295, 39954, 66590, 79908, 99885, 133180, 199770, 312973, 399540, 625946, 938919, 1251892, 1564865, 1877838, 3129730, 3755676, 4694595, 6259460, 9389190, 18778380]

約数ペア:

[(1, 18778380), (2, 9389190), (3, 6259460), (4, 4694595), (5, 3755676), (6, 3129730), (10, 1877838), (12, 1564865), (15, 1251892), (20, 938919), (30, 625946), (47, 399540), (60, 312973), (94, 199770), (141, 133180), (188, 99885), (235, 79908), (282, 66590), (470, 39954), (564, 33295), (705, 26636), (940, 19977), (1410, 13318), (2820, 6659)]