18257688

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1061}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 49701600

約数和(自身を除く): 31443912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1061, 1434, 1912, 2122, 2151, 2868, 3183, 4244, 4302, 5736, 6366, 8488, 8604, 9549, 12732, 17208, 19098, 25464, 38196, 76392, 253579, 507158, 760737, 1014316, 1521474, 2028632, 2282211, 3042948, 4564422, 6085896, 9128844, 18257688]

約数ペア:

[(1, 18257688), (2, 9128844), (3, 6085896), (4, 4564422), (6, 3042948), (8, 2282211), (9, 2028632), (12, 1521474), (18, 1014316), (24, 760737), (36, 507158), (72, 253579), (239, 76392), (478, 38196), (717, 25464), (956, 19098), (1061, 17208), (1434, 12732), (1912, 9549), (2122, 8604), (2151, 8488), (2868, 6366), (3183, 5736), (4244, 4302)]