18165480688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{161339}}^1$

素因数の和:161605

約数の個数: 40

約数和(自身を含む): 36491235840

約数和(自身を除く): 18325755152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 227, 248, 454, 496, 908, 1816, 3632, 7037, 14074, 28148, 56296, 112592, 161339, 322678, 645356, 1290712, 2581424, 5001509, 10003018, 20006036, 36623953, 40012072, 73247906, 80024144, 146495812, 292991624, 585983248, 1135342543, 2270685086, 4541370172, 9082740344, 18165480688]

約数ペア:

[(1, 18165480688), (2, 9082740344), (4, 4541370172), (8, 2270685086), (16, 1135342543), (31, 585983248), (62, 292991624), (124, 146495812), (227, 80024144), (248, 73247906), (454, 40012072), (496, 36623953), (908, 20006036), (1816, 10003018), (3632, 5001509), (7037, 2581424), (14074, 1290712), (28148, 645356), (56296, 322678), (112592, 161339)]