19812978288

素因数分解:

$2^4\times 3^2\times {\mathrm{839}}^1\times {\mathrm{163993}}^1$

素因数の和:164846

約数の個数: 60

約数和(自身を含む): 55515248880

約数和(自身を除く): 35702270592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 839, 1678, 2517, 3356, 5034, 6712, 7551, 10068, 13424, 15102, 20136, 30204, 40272, 60408, 120816, 163993, 327986, 491979, 655972, 983958, 1311944, 1475937, 1967916, 2623888, 2951874, 3935832, 5903748, 7871664, 11807496, 23614992, 137590127, 275180254, 412770381, 550360508, 825540762, 1100721016, 1238311143, 1651081524, 2201442032, 2476622286, 3302163048, 4953244572, 6604326096, 9906489144, 19812978288]

約数ペア:

[(1, 19812978288), (2, 9906489144), (3, 6604326096), (4, 4953244572), (6, 3302163048), (8, 2476622286), (9, 2201442032), (12, 1651081524), (16, 1238311143), (18, 1100721016), (24, 825540762), (36, 550360508), (48, 412770381), (72, 275180254), (144, 137590127), (839, 23614992), (1678, 11807496), (2517, 7871664), (3356, 5903748), (5034, 3935832), (6712, 2951874), (7551, 2623888), (10068, 1967916), (13424, 1475937), (15102, 1311944), (20136, 983958), (30204, 655972), (40272, 491979), (60408, 327986), (120816, 163993)]