16681810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4621}}^1$

素因数の和:4666

約数の個数: 24

約数和(自身を含む): 31697676

約数和(自身を除く): 15015866

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 4621, 9242, 23105, 46210, 87799, 175598, 438995, 877990, 1668181, 3336362, 8340905, 16681810]

約数ペア:

[(1, 16681810), (2, 8340905), (5, 3336362), (10, 1668181), (19, 877990), (38, 438995), (95, 175598), (190, 87799), (361, 46210), (722, 23105), (1805, 9242), (3610, 4621)]