19688760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 78886080

約数和(自身を除く): 59197320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 601, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1202, 1260, 1365, 1560, 1638, 1803, 1820, 2184, 2340, 2404, 2520, 2730, 3005, 3276, 3606, 3640, 4095, 4207, 4680, 4808, 5409, 5460, 6010, 6552, 7212, 7813, 8190, 8414, 9015, 10818, 10920, 12020, 12621, 14424, 15626, 16380, 16828, 18030, 21035, 21636, 23439, 24040, 25242, 27045, 31252, 32760, 33656, 36060, 37863, 39065, 42070, 43272, 46878, 50484, 54090, 54691, 62504, 63105, 70317, 72120, 75726, 78130, 84140, 93756, 100968, 108180, 109382, 117195, 126210, 140634, 151452, 156260, 164073, 168280, 187512, 189315, 216360, 218764, 234390, 252420, 273455, 281268, 302904, 312520, 328146, 351585, 378630, 437528, 468780, 492219, 504840, 546910, 562536, 656292, 703170, 757260, 820365, 937560, 984438, 1093820, 1312584, 1406340, 1514520, 1640730, 1968876, 2187640, 2461095, 2812680, 3281460, 3937752, 4922190, 6562920, 9844380, 19688760]

約数ペア:

[(1, 19688760), (2, 9844380), (3, 6562920), (4, 4922190), (5, 3937752), (6, 3281460), (7, 2812680), (8, 2461095), (9, 2187640), (10, 1968876), (12, 1640730), (13, 1514520), (14, 1406340), (15, 1312584), (18, 1093820), (20, 984438), (21, 937560), (24, 820365), (26, 757260), (28, 703170), (30, 656292), (35, 562536), (36, 546910), (39, 504840), (40, 492219), (42, 468780), (45, 437528), (52, 378630), (56, 351585), (60, 328146), (63, 312520), (65, 302904), (70, 281268), (72, 273455), (78, 252420), (84, 234390), (90, 218764), (91, 216360), (104, 189315), (105, 187512), (117, 168280), (120, 164073), (126, 156260), (130, 151452), (140, 140634), (156, 126210), (168, 117195), (180, 109382), (182, 108180), (195, 100968), (210, 93756), (234, 84140), (252, 78130), (260, 75726), (273, 72120), (280, 70317), (312, 63105), (315, 62504), (360, 54691), (364, 54090), (390, 50484), (420, 46878), (455, 43272), (468, 42070), (504, 39065), (520, 37863), (546, 36060), (585, 33656), (601, 32760), (630, 31252), (728, 27045), (780, 25242), (819, 24040), (840, 23439), (910, 21636), (936, 21035), (1092, 18030), (1170, 16828), (1202, 16380), (1260, 15626), (1365, 14424), (1560, 12621), (1638, 12020), (1803, 10920), (1820, 10818), (2184, 9015), (2340, 8414), (2404, 8190), (2520, 7813), (2730, 7212), (3005, 6552), (3276, 6010), (3606, 5460), (3640, 5409), (4095, 4808), (4207, 4680)]