18268551

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 12904569

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 593, 1141, 1467, 1779, 3423, 4151, 4401, 5337, 10269, 12453, 16011, 30807, 37359, 96659, 112077, 289977, 676613, 869931, 2029839, 2609793, 6089517, 18268551]

約数ペア:

[(1, 18268551), (3, 6089517), (7, 2609793), (9, 2029839), (21, 869931), (27, 676613), (63, 289977), (163, 112077), (189, 96659), (489, 37359), (593, 30807), (1141, 16011), (1467, 12453), (1779, 10269), (3423, 5337), (4151, 4401)]