2019921316

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3923}}^1$

素因数の和:4049

約数の個数: 72

約数和(自身を含む): 4283689536

約数和(自身を除く): 2263768220

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 71, 74, 98, 142, 148, 196, 259, 284, 497, 518, 994, 1036, 1813, 1988, 2627, 3479, 3626, 3923, 5254, 6958, 7252, 7846, 10508, 13916, 15692, 18389, 27461, 36778, 54922, 73556, 109844, 128723, 145151, 192227, 257446, 278533, 290302, 384454, 514892, 557066, 580604, 768908, 1016057, 1114132, 1949731, 2032114, 3899462, 4064228, 7112399, 7798924, 10305721, 13648117, 14224798, 20611442, 27296234, 28449596, 41222884, 54592468, 72140047, 144280094, 288560188, 504980329, 1009960658, 2019921316]

約数ペア:

[(1, 2019921316), (2, 1009960658), (4, 504980329), (7, 288560188), (14, 144280094), (28, 72140047), (37, 54592468), (49, 41222884), (71, 28449596), (74, 27296234), (98, 20611442), (142, 14224798), (148, 13648117), (196, 10305721), (259, 7798924), (284, 7112399), (497, 4064228), (518, 3899462), (994, 2032114), (1036, 1949731), (1813, 1114132), (1988, 1016057), (2627, 768908), (3479, 580604), (3626, 557066), (3923, 514892), (5254, 384454), (6958, 290302), (7252, 278533), (7846, 257446), (10508, 192227), (13916, 145151), (15692, 128723), (18389, 109844), (27461, 73556), (36778, 54922)]