19661652

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 52907400

約数和(自身を除く): 33245748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 222, 261, 333, 348, 444, 509, 522, 666, 1018, 1044, 1073, 1332, 1527, 2036, 2146, 3054, 3219, 4292, 4581, 6108, 6438, 9162, 9657, 12876, 14761, 18324, 18833, 19314, 29522, 37666, 38628, 44283, 56499, 59044, 75332, 88566, 112998, 132849, 169497, 177132, 225996, 265698, 338994, 531396, 546157, 677988, 1092314, 1638471, 2184628, 3276942, 4915413, 6553884, 9830826, 19661652]

約数ペア:

[(1, 19661652), (2, 9830826), (3, 6553884), (4, 4915413), (6, 3276942), (9, 2184628), (12, 1638471), (18, 1092314), (29, 677988), (36, 546157), (37, 531396), (58, 338994), (74, 265698), (87, 225996), (111, 177132), (116, 169497), (148, 132849), (174, 112998), (222, 88566), (261, 75332), (333, 59044), (348, 56499), (444, 44283), (509, 38628), (522, 37666), (666, 29522), (1018, 19314), (1044, 18833), (1073, 18324), (1332, 14761), (1527, 12876), (2036, 9657), (2146, 9162), (3054, 6438), (3219, 6108), (4292, 4581)]