16854460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 40803840

約数和(自身を除く): 23949380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 919, 1310, 1834, 1838, 2620, 3668, 3676, 4585, 4595, 6433, 9170, 9190, 12866, 18340, 18380, 25732, 32165, 64330, 120389, 128660, 240778, 481556, 601945, 842723, 1203890, 1685446, 2407780, 3370892, 4213615, 8427230, 16854460]

約数ペア:

[(1, 16854460), (2, 8427230), (4, 4213615), (5, 3370892), (7, 2407780), (10, 1685446), (14, 1203890), (20, 842723), (28, 601945), (35, 481556), (70, 240778), (131, 128660), (140, 120389), (262, 64330), (524, 32165), (655, 25732), (917, 18380), (919, 18340), (1310, 12866), (1834, 9190), (1838, 9170), (2620, 6433), (3668, 4595), (3676, 4585)]