19869802428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{283}}^1\times {\mathrm{1231}}^1$

素因数の和:1632

約数の個数: 144

約数和(自身を含む): 54725282304

約数和(自身を除く): 34855479876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 283, 291, 294, 388, 566, 582, 588, 679, 849, 1132, 1164, 1231, 1358, 1698, 1981, 2037, 2462, 2716, 3396, 3693, 3962, 4074, 4753, 4924, 5943, 7386, 7924, 8148, 8617, 9506, 11886, 13867, 14259, 14772, 17234, 19012, 23772, 25851, 27451, 27734, 28518, 34468, 41601, 51702, 54902, 55468, 57036, 60319, 82353, 83202, 103404, 109804, 119407, 120638, 164706, 166404, 180957, 192157, 238814, 241276, 329412, 348373, 358221, 361914, 384314, 477628, 576471, 696746, 716442, 723828, 768628, 835849, 1045119, 1152942, 1345099, 1393492, 1432884, 1671698, 2090238, 2305884, 2438611, 2507547, 2690198, 3343396, 4035297, 4180476, 4877222, 5015094, 5380396, 5850943, 7315833, 8070594, 9754444, 10030188, 11701886, 14631666, 16141188, 17070277, 17552829, 23403772, 29263332, 33792181, 34140554, 35105658, 51210831, 67584362, 68281108, 70211316, 101376543, 102421662, 135168724, 202753086, 204843324, 236545267, 405506172, 473090534, 709635801, 946181068, 1419271602, 1655816869, 2838543204, 3311633738, 4967450607, 6623267476, 9934901214, 19869802428]

約数ペア:

[(1, 19869802428), (2, 9934901214), (3, 6623267476), (4, 4967450607), (6, 3311633738), (7, 2838543204), (12, 1655816869), (14, 1419271602), (21, 946181068), (28, 709635801), (42, 473090534), (49, 405506172), (84, 236545267), (97, 204843324), (98, 202753086), (147, 135168724), (194, 102421662), (196, 101376543), (283, 70211316), (291, 68281108), (294, 67584362), (388, 51210831), (566, 35105658), (582, 34140554), (588, 33792181), (679, 29263332), (849, 23403772), (1132, 17552829), (1164, 17070277), (1231, 16141188), (1358, 14631666), (1698, 11701886), (1981, 10030188), (2037, 9754444), (2462, 8070594), (2716, 7315833), (3396, 5850943), (3693, 5380396), (3962, 5015094), (4074, 4877222), (4753, 4180476), (4924, 4035297), (5943, 3343396), (7386, 2690198), (7924, 2507547), (8148, 2438611), (8617, 2305884), (9506, 2090238), (11886, 1671698), (13867, 1432884), (14259, 1393492), (14772, 1345099), (17234, 1152942), (19012, 1045119), (23772, 835849), (25851, 768628), (27451, 723828), (27734, 716442), (28518, 696746), (34468, 576471), (41601, 477628), (51702, 384314), (54902, 361914), (55468, 358221), (57036, 348373), (60319, 329412), (82353, 241276), (83202, 238814), (103404, 192157), (109804, 180957), (119407, 166404), (120638, 164706)]