19515496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2474

約数の個数: 64

約数和(自身を含む): 49150080

約数和(自身を除く): 29634584

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2437, 4004, 4874, 8008, 9748, 17059, 19496, 26807, 31681, 34118, 53614, 63362, 68236, 107228, 126724, 136472, 187649, 214456, 221767, 253448, 348491, 375298, 443534, 696982, 750596, 887068, 1393964, 1501192, 1774136, 2439437, 2787928, 4878874, 9757748, 19515496]

約数ペア:

[(1, 19515496), (2, 9757748), (4, 4878874), (7, 2787928), (8, 2439437), (11, 1774136), (13, 1501192), (14, 1393964), (22, 887068), (26, 750596), (28, 696982), (44, 443534), (52, 375298), (56, 348491), (77, 253448), (88, 221767), (91, 214456), (104, 187649), (143, 136472), (154, 126724), (182, 107228), (286, 68236), (308, 63362), (364, 53614), (572, 34118), (616, 31681), (728, 26807), (1001, 19496), (1144, 17059), (2002, 9748), (2437, 8008), (4004, 4874)]