18434320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1759}}^1$

素因数の和:1903

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 24777200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1759, 2096, 2620, 3518, 5240, 7036, 8795, 10480, 14072, 17590, 28144, 35180, 70360, 140720, 230429, 460858, 921716, 1152145, 1843432, 2304290, 3686864, 4608580, 9217160, 18434320]

約数ペア:

[(1, 18434320), (2, 9217160), (4, 4608580), (5, 3686864), (8, 2304290), (10, 1843432), (16, 1152145), (20, 921716), (40, 460858), (80, 230429), (131, 140720), (262, 70360), (524, 35180), (655, 28144), (1048, 17590), (1310, 14072), (1759, 10480), (2096, 8795), (2620, 7036), (3518, 5240)]