18721846

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 33326496

約数和(自身を除く): 14604650

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 541, 1082, 1331, 1573, 2662, 3146, 5951, 7033, 11902, 14066, 17303, 34606, 65461, 77363, 130922, 154726, 720071, 850993, 1440142, 1701986, 9360923, 18721846]

約数ペア:

[(1, 18721846), (2, 9360923), (11, 1701986), (13, 1440142), (22, 850993), (26, 720071), (121, 154726), (143, 130922), (242, 77363), (286, 65461), (541, 34606), (1082, 17303), (1331, 14066), (1573, 11902), (2662, 7033), (3146, 5951)]