18858236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 18064804

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 73, 116, 131, 146, 262, 292, 493, 524, 986, 1241, 1972, 2117, 2227, 2482, 3799, 4234, 4454, 4964, 7598, 8468, 8908, 9563, 15196, 19126, 35989, 38252, 64583, 71978, 129166, 143956, 162571, 258332, 277327, 325142, 554654, 650284, 1109308, 4714559, 9429118, 18858236]

約数ペア:

[(1, 18858236), (2, 9429118), (4, 4714559), (17, 1109308), (29, 650284), (34, 554654), (58, 325142), (68, 277327), (73, 258332), (116, 162571), (131, 143956), (146, 129166), (262, 71978), (292, 64583), (493, 38252), (524, 35989), (986, 19126), (1241, 15196), (1972, 9563), (2117, 8908), (2227, 8468), (2482, 7598), (3799, 4964), (4234, 4454)]