19303778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4729}}^1$

素因数の和:4901

約数の個数: 16

約数和(自身を含む): 31388280

約数和(自身を除く): 12084502

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4729, 9458, 61477, 122954, 742453, 1484906, 9651889, 19303778]

約数ペア:

[(1, 19303778), (2, 9651889), (13, 1484906), (26, 742453), (157, 122954), (314, 61477), (2041, 9458), (4082, 4729)]