19707012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2477}}^1$

素因数の和:2517

約数の個数: 72

約数和(自身を含む): 56825496

約数和(自身を除く): 37118484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2477, 2652, 3978, 4954, 7431, 7956, 9908, 14862, 22293, 29724, 32201, 42109, 44586, 64402, 84218, 89172, 96603, 126327, 128804, 168436, 193206, 252654, 289809, 378981, 386412, 505308, 547417, 579618, 757962, 1094834, 1159236, 1515924, 1642251, 2189668, 3284502, 4926753, 6569004, 9853506, 19707012]

約数ペア:

[(1, 19707012), (2, 9853506), (3, 6569004), (4, 4926753), (6, 3284502), (9, 2189668), (12, 1642251), (13, 1515924), (17, 1159236), (18, 1094834), (26, 757962), (34, 579618), (36, 547417), (39, 505308), (51, 386412), (52, 378981), (68, 289809), (78, 252654), (102, 193206), (117, 168436), (153, 128804), (156, 126327), (204, 96603), (221, 89172), (234, 84218), (306, 64402), (442, 44586), (468, 42109), (612, 32201), (663, 29724), (884, 22293), (1326, 14862), (1989, 9908), (2477, 7956), (2652, 7431), (3978, 4954)]