18593840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3469}}^1$

素因数の和:3549

約数の個数: 40

約数和(自身を含む): 43888560

約数和(自身を除く): 25294720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3469, 5360, 6938, 13876, 17345, 27752, 34690, 55504, 69380, 138760, 232423, 277520, 464846, 929692, 1162115, 1859384, 2324230, 3718768, 4648460, 9296920, 18593840]

約数ペア:

[(1, 18593840), (2, 9296920), (4, 4648460), (5, 3718768), (8, 2324230), (10, 1859384), (16, 1162115), (20, 929692), (40, 464846), (67, 277520), (80, 232423), (134, 138760), (268, 69380), (335, 55504), (536, 34690), (670, 27752), (1072, 17345), (1340, 13876), (2680, 6938), (3469, 5360)]