18928560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:635

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 51781200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 593, 665, 760, 798, 840, 912, 1064, 1140, 1186, 1330, 1520, 1596, 1680, 1779, 1995, 2128, 2280, 2372, 2660, 2965, 3192, 3558, 3990, 4151, 4560, 4744, 5320, 5930, 6384, 7116, 7980, 8302, 8895, 9488, 10640, 11267, 11860, 12453, 14232, 15960, 16604, 17790, 20755, 22534, 23720, 24906, 28464, 31920, 33208, 33801, 35580, 41510, 45068, 47440, 49812, 56335, 62265, 66416, 67602, 71160, 78869, 83020, 90136, 99624, 112670, 124530, 135204, 142320, 157738, 166040, 169005, 180272, 199248, 225340, 236607, 249060, 270408, 315476, 332080, 338010, 394345, 450680, 473214, 498120, 540816, 630952, 676020, 788690, 901360, 946428, 996240, 1183035, 1261904, 1352040, 1577380, 1892856, 2366070, 2704080, 3154760, 3785712, 4732140, 6309520, 9464280, 18928560]

約数ペア:

[(1, 18928560), (2, 9464280), (3, 6309520), (4, 4732140), (5, 3785712), (6, 3154760), (7, 2704080), (8, 2366070), (10, 1892856), (12, 1577380), (14, 1352040), (15, 1261904), (16, 1183035), (19, 996240), (20, 946428), (21, 901360), (24, 788690), (28, 676020), (30, 630952), (35, 540816), (38, 498120), (40, 473214), (42, 450680), (48, 394345), (56, 338010), (57, 332080), (60, 315476), (70, 270408), (76, 249060), (80, 236607), (84, 225340), (95, 199248), (105, 180272), (112, 169005), (114, 166040), (120, 157738), (133, 142320), (140, 135204), (152, 124530), (168, 112670), (190, 99624), (210, 90136), (228, 83020), (240, 78869), (266, 71160), (280, 67602), (285, 66416), (304, 62265), (336, 56335), (380, 49812), (399, 47440), (420, 45068), (456, 41510), (532, 35580), (560, 33801), (570, 33208), (593, 31920), (665, 28464), (760, 24906), (798, 23720), (840, 22534), (912, 20755), (1064, 17790), (1140, 16604), (1186, 15960), (1330, 14232), (1520, 12453), (1596, 11860), (1680, 11267), (1779, 10640), (1995, 9488), (2128, 8895), (2280, 8302), (2372, 7980), (2660, 7116), (2965, 6384), (3192, 5930), (3558, 5320), (3990, 4744), (4151, 4560)]