18849981

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 25694208

約数和(自身を除く): 6844227

約数列:

[1, 3, 67, 191, 201, 491, 573, 1473, 12797, 32897, 38391, 93781, 98691, 281343, 6283327, 18849981]

約数ペア:

[(1, 18849981), (3, 6283327), (67, 281343), (191, 98691), (201, 93781), (491, 38391), (573, 32897), (1473, 12797)]