18148904

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4457}}^1$

素因数の和:4972

約数の個数: 16

約数和(自身を含む): 34103700

約数和(自身を除く): 15954796

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4457, 8914, 17828, 35656, 2268613, 4537226, 9074452, 18148904]

約数ペア:

[(1, 18148904), (2, 9074452), (4, 4537226), (8, 2268613), (509, 35656), (1018, 17828), (2036, 8914), (4072, 4457)]