19914818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 37687680

約数和(自身を除く): 17772862

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1453, 1958, 2906, 6853, 10171, 13706, 15983, 20342, 31966, 111881, 129317, 223762, 258634, 905219, 1422487, 1810438, 2844974, 9957409, 19914818]

約数ペア:

[(1, 19914818), (2, 9957409), (7, 2844974), (11, 1810438), (14, 1422487), (22, 905219), (77, 258634), (89, 223762), (154, 129317), (178, 111881), (623, 31966), (979, 20342), (1246, 15983), (1453, 13706), (1958, 10171), (2906, 6853)]