19912014

素因数分解:

$2^1\times 3^3\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 44398080

約数和(自身を除く): 24486066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 491, 751, 982, 1473, 1502, 2253, 2946, 4419, 4506, 6759, 8838, 13257, 13518, 20277, 26514, 40554, 368741, 737482, 1106223, 2212446, 3318669, 6637338, 9956007, 19912014]

約数ペア:

[(1, 19912014), (2, 9956007), (3, 6637338), (6, 3318669), (9, 2212446), (18, 1106223), (27, 737482), (54, 368741), (491, 40554), (751, 26514), (982, 20277), (1473, 13518), (1502, 13257), (2253, 8838), (2946, 6759), (4419, 4506)]