19981434

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13163}}^1$

素因数の和:13202

約数の個数: 32

約数和(自身を含む): 45494784

約数和(自身を除く): 25513350

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13163, 26326, 39489, 78978, 144793, 289586, 302749, 434379, 605498, 868758, 908247, 1816494, 3330239, 6660478, 9990717, 19981434]

約数ペア:

[(1, 19981434), (2, 9990717), (3, 6660478), (6, 3330239), (11, 1816494), (22, 908247), (23, 868758), (33, 605498), (46, 434379), (66, 302749), (69, 289586), (138, 144793), (253, 78978), (506, 39489), (759, 26326), (1518, 13163)]