18437944

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{977}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 39667680

約数和(自身を除く): 21229736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 977, 1348, 1954, 2359, 2696, 3908, 4718, 6839, 7816, 9436, 13678, 18872, 27356, 54712, 329249, 658498, 1316996, 2304743, 2633992, 4609486, 9218972, 18437944]

約数ペア:

[(1, 18437944), (2, 9218972), (4, 4609486), (7, 2633992), (8, 2304743), (14, 1316996), (28, 658498), (56, 329249), (337, 54712), (674, 27356), (977, 18872), (1348, 13678), (1954, 9436), (2359, 7816), (2696, 6839), (3908, 4718)]