18943920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 120

約数和(自身を含む): 64589616

約数和(自身を除く): 45645696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 317, 332, 360, 415, 498, 634, 664, 720, 747, 830, 951, 996, 1245, 1268, 1328, 1494, 1585, 1660, 1902, 1992, 2490, 2536, 2853, 2988, 3170, 3320, 3735, 3804, 3984, 4755, 4980, 5072, 5706, 5976, 6340, 6640, 7470, 7608, 9510, 9960, 11412, 11952, 12680, 14265, 14940, 15216, 19020, 19920, 22824, 25360, 26311, 28530, 29880, 38040, 45648, 52622, 57060, 59760, 76080, 78933, 105244, 114120, 131555, 157866, 210488, 228240, 236799, 263110, 315732, 394665, 420976, 473598, 526220, 631464, 789330, 947196, 1052440, 1183995, 1262928, 1578660, 1894392, 2104880, 2367990, 3157320, 3788784, 4735980, 6314640, 9471960, 18943920]

約数ペア:

[(1, 18943920), (2, 9471960), (3, 6314640), (4, 4735980), (5, 3788784), (6, 3157320), (8, 2367990), (9, 2104880), (10, 1894392), (12, 1578660), (15, 1262928), (16, 1183995), (18, 1052440), (20, 947196), (24, 789330), (30, 631464), (36, 526220), (40, 473598), (45, 420976), (48, 394665), (60, 315732), (72, 263110), (80, 236799), (83, 228240), (90, 210488), (120, 157866), (144, 131555), (166, 114120), (180, 105244), (240, 78933), (249, 76080), (317, 59760), (332, 57060), (360, 52622), (415, 45648), (498, 38040), (634, 29880), (664, 28530), (720, 26311), (747, 25360), (830, 22824), (951, 19920), (996, 19020), (1245, 15216), (1268, 14940), (1328, 14265), (1494, 12680), (1585, 11952), (1660, 11412), (1902, 9960), (1992, 9510), (2490, 7608), (2536, 7470), (2853, 6640), (2988, 6340), (3170, 5976), (3320, 5706), (3735, 5072), (3804, 4980), (3984, 4755)]