19212840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 63292320

約数和(自身を除く): 44079480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 643, 664, 747, 830, 996, 1245, 1286, 1494, 1660, 1929, 1992, 2490, 2572, 2988, 3215, 3320, 3735, 3858, 4980, 5144, 5787, 5976, 6430, 7470, 7716, 9645, 9960, 11574, 12860, 14940, 15432, 19290, 23148, 25720, 28935, 29880, 38580, 46296, 53369, 57870, 77160, 106738, 115740, 160107, 213476, 231480, 266845, 320214, 426952, 480321, 533690, 640428, 800535, 960642, 1067380, 1280856, 1601070, 1921284, 2134760, 2401605, 3202140, 3842568, 4803210, 6404280, 9606420, 19212840]

約数ペア:

[(1, 19212840), (2, 9606420), (3, 6404280), (4, 4803210), (5, 3842568), (6, 3202140), (8, 2401605), (9, 2134760), (10, 1921284), (12, 1601070), (15, 1280856), (18, 1067380), (20, 960642), (24, 800535), (30, 640428), (36, 533690), (40, 480321), (45, 426952), (60, 320214), (72, 266845), (83, 231480), (90, 213476), (120, 160107), (166, 115740), (180, 106738), (249, 77160), (332, 57870), (360, 53369), (415, 46296), (498, 38580), (643, 29880), (664, 28935), (747, 25720), (830, 23148), (996, 19290), (1245, 15432), (1286, 14940), (1494, 12860), (1660, 11574), (1929, 9960), (1992, 9645), (2490, 7716), (2572, 7470), (2988, 6430), (3215, 5976), (3320, 5787), (3735, 5144), (3858, 4980)]