18517648

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{18973}}^1$

素因数の和:19042

約数の個数: 20

約数和(自身を含む): 36468028

約数和(自身を除く): 17950380

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 18973, 37946, 75892, 151784, 303568, 1157353, 2314706, 4629412, 9258824, 18517648]

約数ペア:

[(1, 18517648), (2, 9258824), (4, 4629412), (8, 2314706), (16, 1157353), (61, 303568), (122, 151784), (244, 75892), (488, 37946), (976, 18973)]