18118456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61211}}^1$

素因数の和:61254

約数の個数: 16

約数和(自身を含む): 34890840

約数和(自身を除く): 16772384

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 61211, 122422, 244844, 489688, 2264807, 4529614, 9059228, 18118456]

約数ペア:

[(1, 18118456), (2, 9059228), (4, 4529614), (8, 2264807), (37, 489688), (74, 244844), (148, 122422), (296, 61211)]