18151910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 37523520

約数和(自身を除く): 19371610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1009, 1285, 1799, 2018, 2570, 3598, 5045, 7063, 8995, 10090, 14126, 17990, 35315, 70630, 259313, 518626, 1296565, 1815191, 2593130, 3630382, 9075955, 18151910]

約数ペア:

[(1, 18151910), (2, 9075955), (5, 3630382), (7, 2593130), (10, 1815191), (14, 1296565), (35, 518626), (70, 259313), (257, 70630), (514, 35315), (1009, 17990), (1285, 14126), (1799, 10090), (2018, 8995), (2570, 7063), (3598, 5045)]