18868776

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 31675224

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 103, 136, 204, 206, 309, 408, 412, 449, 618, 824, 898, 1236, 1347, 1751, 1796, 2472, 2694, 3502, 3592, 5253, 5388, 7004, 7633, 10506, 10776, 14008, 15266, 21012, 22899, 30532, 42024, 45798, 46247, 61064, 91596, 92494, 138741, 183192, 184988, 277482, 369976, 554964, 786199, 1109928, 1572398, 2358597, 3144796, 4717194, 6289592, 9434388, 18868776]

約数ペア:

[(1, 18868776), (2, 9434388), (3, 6289592), (4, 4717194), (6, 3144796), (8, 2358597), (12, 1572398), (17, 1109928), (24, 786199), (34, 554964), (51, 369976), (68, 277482), (102, 184988), (103, 183192), (136, 138741), (204, 92494), (206, 91596), (309, 61064), (408, 46247), (412, 45798), (449, 42024), (618, 30532), (824, 22899), (898, 21012), (1236, 15266), (1347, 14008), (1751, 10776), (1796, 10506), (2472, 7633), (2694, 7004), (3502, 5388), (3592, 5253)]