18971930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{46273}}^1$

素因数の和:46321

約数の個数: 16

約数和(自身を含む): 34983144

約数和(自身を除く): 16011214

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 46273, 92546, 231365, 462730, 1897193, 3794386, 9485965, 18971930]

約数ペア:

[(1, 18971930), (2, 9485965), (5, 3794386), (10, 1897193), (41, 462730), (82, 231365), (205, 92546), (410, 46273)]