19317487684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1\times {\mathrm{991}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 38228053248

約数和(自身を除く): 18910565564

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 461, 682, 922, 961, 991, 1364, 1844, 1922, 1982, 3844, 3964, 5071, 10142, 10571, 10901, 14291, 20284, 21142, 21802, 28582, 30721, 42284, 43604, 57164, 61442, 122884, 157201, 314402, 337931, 443021, 456851, 628804, 675862, 886042, 913702, 952351, 1351724, 1772084, 1827404, 1904702, 3809404, 4873231, 5025361, 9746462, 10050722, 10475861, 14162381, 19492924, 20101444, 20951722, 28324762, 41903444, 56649524, 155786191, 311572382, 439033811, 623144764, 878067622, 1756135244, 4829371921, 9658743842, 19317487684]

約数ペア:

[(1, 19317487684), (2, 9658743842), (4, 4829371921), (11, 1756135244), (22, 878067622), (31, 623144764), (44, 439033811), (62, 311572382), (124, 155786191), (341, 56649524), (461, 41903444), (682, 28324762), (922, 20951722), (961, 20101444), (991, 19492924), (1364, 14162381), (1844, 10475861), (1922, 10050722), (1982, 9746462), (3844, 5025361), (3964, 4873231), (5071, 3809404), (10142, 1904702), (10571, 1827404), (10901, 1772084), (14291, 1351724), (20284, 952351), (21142, 913702), (21802, 886042), (28582, 675862), (30721, 628804), (42284, 456851), (43604, 443021), (57164, 337931), (61442, 314402), (122884, 157201)]