18391910

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3221}}^1$

素因数の和:3799

約数の個数: 16

約数和(自身を含む): 33173712

約数和(自身を除く): 14781802

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 3221, 5710, 6442, 16105, 32210, 1839191, 3678382, 9195955, 18391910]

約数ペア:

[(1, 18391910), (2, 9195955), (5, 3678382), (10, 1839191), (571, 32210), (1142, 16105), (2855, 6442), (3221, 5710)]