18278337

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 30864384

約数和(自身を除く): 12586047

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1181, 1407, 2211, 3543, 5159, 8267, 12991, 15477, 24801, 38973, 79127, 90937, 237381, 272811, 553889, 870397, 1661667, 2611191, 6092779, 18278337]

約数ペア:

[(1, 18278337), (3, 6092779), (7, 2611191), (11, 1661667), (21, 870397), (33, 553889), (67, 272811), (77, 237381), (201, 90937), (231, 79127), (469, 38973), (737, 24801), (1181, 15477), (1407, 12991), (2211, 8267), (3543, 5159)]