2019848272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 4339722240

約数和(自身を除く): 2319873968

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 239, 328, 478, 533, 656, 956, 991, 1066, 1912, 1982, 2132, 3107, 3824, 3964, 4264, 6214, 7928, 8528, 9799, 12428, 12883, 15856, 19598, 24856, 25766, 39196, 40631, 49712, 51532, 78392, 81262, 103064, 127387, 156784, 162524, 206128, 236849, 254774, 325048, 473698, 509548, 528203, 650096, 947396, 1019096, 1056406, 1894792, 2038192, 2112812, 3079037, 3789584, 4225624, 6158074, 8451248, 9710809, 12316148, 19421618, 24632296, 38843236, 49264592, 77686472, 126240517, 155372944, 252481034, 504962068, 1009924136, 2019848272]

約数ペア:

[(1, 2019848272), (2, 1009924136), (4, 504962068), (8, 252481034), (13, 155372944), (16, 126240517), (26, 77686472), (41, 49264592), (52, 38843236), (82, 24632296), (104, 19421618), (164, 12316148), (208, 9710809), (239, 8451248), (328, 6158074), (478, 4225624), (533, 3789584), (656, 3079037), (956, 2112812), (991, 2038192), (1066, 1894792), (1912, 1056406), (1982, 1019096), (2132, 947396), (3107, 650096), (3824, 528203), (3964, 509548), (4264, 473698), (6214, 325048), (7928, 254774), (8528, 236849), (9799, 206128), (12428, 162524), (12883, 156784), (15856, 127387), (19598, 103064), (24856, 81262), (25766, 78392), (39196, 51532), (40631, 49712)]