18221164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 36479520

約数和(自身を除く): 18258356

約数列:

[1, 2, 4, 13, 26, 29, 43, 52, 58, 86, 116, 172, 281, 377, 559, 562, 754, 1118, 1124, 1247, 1508, 2236, 2494, 3653, 4988, 7306, 8149, 12083, 14612, 16211, 16298, 24166, 32422, 32596, 48332, 64844, 105937, 157079, 211874, 314158, 350407, 423748, 628316, 700814, 1401628, 4555291, 9110582, 18221164]

約数ペア:

[(1, 18221164), (2, 9110582), (4, 4555291), (13, 1401628), (26, 700814), (29, 628316), (43, 423748), (52, 350407), (58, 314158), (86, 211874), (116, 157079), (172, 105937), (281, 64844), (377, 48332), (559, 32596), (562, 32422), (754, 24166), (1118, 16298), (1124, 16211), (1247, 14612), (1508, 12083), (2236, 8149), (2494, 7306), (3653, 4988)]