18879952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12967}}^1$

素因数の和:12995

約数の個数: 40

約数和(自身を含む): 45024896

約数和(自身を除く): 26144944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12967, 25934, 51868, 90769, 103736, 168571, 181538, 207472, 337142, 363076, 674284, 726152, 1179997, 1348568, 1452304, 2359994, 2697136, 4719988, 9439976, 18879952]

約数ペア:

[(1, 18879952), (2, 9439976), (4, 4719988), (7, 2697136), (8, 2359994), (13, 1452304), (14, 1348568), (16, 1179997), (26, 726152), (28, 674284), (52, 363076), (56, 337142), (91, 207472), (104, 181538), (112, 168571), (182, 103736), (208, 90769), (364, 51868), (728, 25934), (1456, 12967)]