19319636

素因数分解:

$2^2\times 7^1\times {\mathrm{689987}}^1$

素因数の和:689998

約数の個数: 12

約数和(自身を含む): 38639328

約数和(自身を除く): 19319692

約数列:

[1, 2, 4, 7, 14, 28, 689987, 1379974, 2759948, 4829909, 9659818, 19319636]

約数ペア:

[(1, 19319636), (2, 9659818), (4, 4829909), (7, 2759948), (14, 1379974), (28, 689987)]