19511664

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 53032320

約数和(自身を除く): 33520656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 107, 116, 131, 174, 214, 232, 262, 321, 348, 393, 428, 464, 524, 642, 696, 786, 856, 1048, 1284, 1392, 1572, 1712, 2096, 2568, 3103, 3144, 3799, 5136, 6206, 6288, 7598, 9309, 11397, 12412, 14017, 15196, 18618, 22794, 24824, 28034, 30392, 37236, 42051, 45588, 49648, 56068, 60784, 74472, 84102, 91176, 112136, 148944, 168204, 182352, 224272, 336408, 406493, 672816, 812986, 1219479, 1625972, 2438958, 3251944, 4877916, 6503888, 9755832, 19511664]

約数ペア:

[(1, 19511664), (2, 9755832), (3, 6503888), (4, 4877916), (6, 3251944), (8, 2438958), (12, 1625972), (16, 1219479), (24, 812986), (29, 672816), (48, 406493), (58, 336408), (87, 224272), (107, 182352), (116, 168204), (131, 148944), (174, 112136), (214, 91176), (232, 84102), (262, 74472), (321, 60784), (348, 56068), (393, 49648), (428, 45588), (464, 42051), (524, 37236), (642, 30392), (696, 28034), (786, 24824), (856, 22794), (1048, 18618), (1284, 15196), (1392, 14017), (1572, 12412), (1712, 11397), (2096, 9309), (2568, 7598), (3103, 6288), (3144, 6206), (3799, 5136)]