18885554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{907}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 29419200

約数和(自身を除く): 10533646

約数列:

[1, 2, 29, 58, 359, 718, 907, 1814, 10411, 20822, 26303, 52606, 325613, 651226, 9442777, 18885554]

約数ペア:

[(1, 18885554), (2, 9442777), (29, 651226), (58, 325613), (359, 52606), (718, 26303), (907, 20822), (1814, 10411)]