19922828

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 15639412

約数列:

[1, 2, 4, 89, 178, 191, 293, 356, 382, 586, 764, 1172, 16999, 26077, 33998, 52154, 55963, 67996, 104308, 111926, 223852, 4980707, 9961414, 19922828]

約数ペア:

[(1, 19922828), (2, 9961414), (4, 4980707), (89, 223852), (178, 111926), (191, 104308), (293, 67996), (356, 55963), (382, 52154), (586, 33998), (764, 26077), (1172, 16999)]