19829920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 53887680

約数和(自身を除く): 34057760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 593, 608, 760, 836, 880, 1045, 1186, 1520, 1672, 1760, 2090, 2372, 2965, 3040, 3344, 4180, 4744, 5930, 6523, 6688, 8360, 9488, 11267, 11860, 13046, 16720, 18976, 22534, 23720, 26092, 32615, 33440, 45068, 47440, 52184, 56335, 65230, 90136, 94880, 104368, 112670, 123937, 130460, 180272, 208736, 225340, 247874, 260920, 360544, 450680, 495748, 521840, 619685, 901360, 991496, 1043680, 1239370, 1802720, 1982992, 2478740, 3965984, 4957480, 9914960, 19829920]

約数ペア:

[(1, 19829920), (2, 9914960), (4, 4957480), (5, 3965984), (8, 2478740), (10, 1982992), (11, 1802720), (16, 1239370), (19, 1043680), (20, 991496), (22, 901360), (32, 619685), (38, 521840), (40, 495748), (44, 450680), (55, 360544), (76, 260920), (80, 247874), (88, 225340), (95, 208736), (110, 180272), (152, 130460), (160, 123937), (176, 112670), (190, 104368), (209, 94880), (220, 90136), (304, 65230), (352, 56335), (380, 52184), (418, 47440), (440, 45068), (593, 33440), (608, 32615), (760, 26092), (836, 23720), (880, 22534), (1045, 18976), (1186, 16720), (1520, 13046), (1672, 11860), (1760, 11267), (2090, 9488), (2372, 8360), (2965, 6688), (3040, 6523), (3344, 5930), (4180, 4744)]