19800580478

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1\times {\mathrm{26489}}^1$

素因数の和:27104

約数の個数: 32

約数和(自身を含む): 34331040000

約数和(自身を除く): 14530459522

約数列:

[1, 2, 7, 14, 107, 214, 499, 749, 998, 1498, 3493, 6986, 26489, 52978, 53393, 106786, 185423, 370846, 373751, 747502, 2834323, 5668646, 13218011, 19840261, 26436022, 39680522, 92526077, 185052154, 1414327177, 2828654354, 9900290239, 19800580478]

約数ペア:

[(1, 19800580478), (2, 9900290239), (7, 2828654354), (14, 1414327177), (107, 185052154), (214, 92526077), (499, 39680522), (749, 26436022), (998, 19840261), (1498, 13218011), (3493, 5668646), (6986, 2834323), (26489, 747502), (52978, 373751), (53393, 370846), (106786, 185423)]