19913768

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15461}}^1$

素因数の和:15497

約数の個数: 32

約数和(自身を含む): 44530560

約数和(自身を除く): 24616792

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15461, 30922, 61844, 108227, 123688, 216454, 355603, 432908, 711206, 865816, 1422412, 2489221, 2844824, 4978442, 9956884, 19913768]

約数ペア:

[(1, 19913768), (2, 9956884), (4, 4978442), (7, 2844824), (8, 2489221), (14, 1422412), (23, 865816), (28, 711206), (46, 432908), (56, 355603), (92, 216454), (161, 123688), (184, 108227), (322, 61844), (644, 30922), (1288, 15461)]