19995416

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6737}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 43662240

約数和(自身を除く): 23666824

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6737, 13474, 26948, 47159, 53896, 94318, 188636, 357061, 377272, 714122, 1428244, 2499427, 2856488, 4998854, 9997708, 19995416]

約数ペア:

[(1, 19995416), (2, 9997708), (4, 4998854), (7, 2856488), (8, 2499427), (14, 1428244), (28, 714122), (53, 377272), (56, 357061), (106, 188636), (212, 94318), (371, 53896), (424, 47159), (742, 26948), (1484, 13474), (2968, 6737)]