18654972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{659}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 31314948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 337, 659, 674, 1011, 1318, 1348, 1977, 2022, 2359, 2636, 3954, 4044, 4613, 4718, 7077, 7908, 9226, 9436, 13839, 14154, 18452, 27678, 28308, 55356, 222083, 444166, 666249, 888332, 1332498, 1554581, 2664996, 3109162, 4663743, 6218324, 9327486, 18654972]

約数ペア:

[(1, 18654972), (2, 9327486), (3, 6218324), (4, 4663743), (6, 3109162), (7, 2664996), (12, 1554581), (14, 1332498), (21, 888332), (28, 666249), (42, 444166), (84, 222083), (337, 55356), (659, 28308), (674, 27678), (1011, 18452), (1318, 14154), (1348, 13839), (1977, 9436), (2022, 9226), (2359, 7908), (2636, 7077), (3954, 4718), (4044, 4613)]