19697040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1$

素因数の和:862

約数の個数: 160

約数和(自身を含む): 74102400

約数和(自身を除く): 54405360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 829, 880, 990, 1080, 1188, 1320, 1485, 1584, 1658, 1980, 2160, 2376, 2487, 2640, 2970, 3316, 3960, 4145, 4752, 4974, 5940, 6632, 7461, 7920, 8290, 9119, 9948, 11880, 12435, 13264, 14922, 16580, 18238, 19896, 22383, 23760, 24870, 27357, 29844, 33160, 36476, 37305, 39792, 44766, 45595, 49740, 54714, 59688, 66320, 72952, 74610, 82071, 89532, 91190, 99480, 109428, 111915, 119376, 136785, 145904, 149220, 164142, 179064, 182380, 198960, 218856, 223830, 246213, 273570, 298440, 328284, 358128, 364760, 410355, 437712, 447660, 492426, 547140, 596880, 656568, 729520, 820710, 895320, 984852, 1094280, 1231065, 1313136, 1641420, 1790640, 1969704, 2188560, 2462130, 3282840, 3939408, 4924260, 6565680, 9848520, 19697040]

約数ペア:

[(1, 19697040), (2, 9848520), (3, 6565680), (4, 4924260), (5, 3939408), (6, 3282840), (8, 2462130), (9, 2188560), (10, 1969704), (11, 1790640), (12, 1641420), (15, 1313136), (16, 1231065), (18, 1094280), (20, 984852), (22, 895320), (24, 820710), (27, 729520), (30, 656568), (33, 596880), (36, 547140), (40, 492426), (44, 447660), (45, 437712), (48, 410355), (54, 364760), (55, 358128), (60, 328284), (66, 298440), (72, 273570), (80, 246213), (88, 223830), (90, 218856), (99, 198960), (108, 182380), (110, 179064), (120, 164142), (132, 149220), (135, 145904), (144, 136785), (165, 119376), (176, 111915), (180, 109428), (198, 99480), (216, 91190), (220, 89532), (240, 82071), (264, 74610), (270, 72952), (297, 66320), (330, 59688), (360, 54714), (396, 49740), (432, 45595), (440, 44766), (495, 39792), (528, 37305), (540, 36476), (594, 33160), (660, 29844), (720, 27357), (792, 24870), (829, 23760), (880, 22383), (990, 19896), (1080, 18238), (1188, 16580), (1320, 14922), (1485, 13264), (1584, 12435), (1658, 11880), (1980, 9948), (2160, 9119), (2376, 8290), (2487, 7920), (2640, 7461), (2970, 6632), (3316, 5940), (3960, 4974), (4145, 4752)]