19771772

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 15790468

約数列:

[1, 2, 4, 47, 94, 188, 251, 419, 502, 838, 1004, 1676, 11797, 19693, 23594, 39386, 47188, 78772, 105169, 210338, 420676, 4942943, 9885886, 19771772]

約数ペア:

[(1, 19771772), (2, 9885886), (4, 4942943), (47, 420676), (94, 210338), (188, 105169), (251, 78772), (419, 47188), (502, 39386), (838, 23594), (1004, 19693), (1676, 11797)]