19886790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8609}}^1$

素因数の和:8637

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 39625530

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8609, 17218, 25827, 43045, 51654, 60263, 86090, 94699, 120526, 129135, 180789, 189398, 258270, 284097, 301315, 361578, 473495, 568194, 602630, 662893, 903945, 946990, 1325786, 1420485, 1807890, 1988679, 2840970, 3314465, 3977358, 6628930, 9943395, 19886790]

約数ペア:

[(1, 19886790), (2, 9943395), (3, 6628930), (5, 3977358), (6, 3314465), (7, 2840970), (10, 1988679), (11, 1807890), (14, 1420485), (15, 1325786), (21, 946990), (22, 903945), (30, 662893), (33, 602630), (35, 568194), (42, 473495), (55, 361578), (66, 301315), (70, 284097), (77, 258270), (105, 189398), (110, 180789), (154, 129135), (165, 120526), (210, 94699), (231, 86090), (330, 60263), (385, 51654), (462, 43045), (770, 25827), (1155, 17218), (2310, 8609)]