19393946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 17861734

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 43, 83, 86, 143, 166, 209, 247, 286, 418, 473, 494, 559, 817, 913, 946, 1079, 1118, 1577, 1634, 1826, 2158, 2717, 3154, 3569, 5434, 6149, 7138, 8987, 10621, 11869, 12298, 17347, 17974, 20501, 21242, 23738, 34694, 39259, 41002, 46397, 67811, 78518, 92794, 116831, 135622, 225511, 233662, 451022, 510367, 745921, 881543, 1020734, 1491842, 1763086, 9696973, 19393946]

約数ペア:

[(1, 19393946), (2, 9696973), (11, 1763086), (13, 1491842), (19, 1020734), (22, 881543), (26, 745921), (38, 510367), (43, 451022), (83, 233662), (86, 225511), (143, 135622), (166, 116831), (209, 92794), (247, 78518), (286, 67811), (418, 46397), (473, 41002), (494, 39259), (559, 34694), (817, 23738), (913, 21242), (946, 20501), (1079, 17974), (1118, 17347), (1577, 12298), (1634, 11869), (1826, 10621), (2158, 8987), (2717, 7138), (3154, 6149), (3569, 5434)]