19942704

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 60643440

約数和(自身を除く): 40700736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 37, 38, 48, 57, 72, 74, 76, 111, 114, 144, 148, 152, 171, 197, 222, 228, 296, 304, 333, 342, 394, 444, 456, 591, 592, 666, 684, 703, 788, 888, 912, 1182, 1332, 1368, 1406, 1576, 1773, 1776, 2109, 2364, 2664, 2736, 2812, 3152, 3546, 3743, 4218, 4728, 5328, 5624, 6327, 7092, 7289, 7486, 8436, 9456, 11229, 11248, 12654, 14184, 14578, 14972, 16872, 21867, 22458, 25308, 28368, 29156, 29944, 33687, 33744, 43734, 44916, 50616, 58312, 59888, 65601, 67374, 87468, 89832, 101232, 116624, 131202, 134748, 138491, 174936, 179664, 262404, 269496, 276982, 349872, 415473, 524808, 538992, 553964, 830946, 1049616, 1107928, 1246419, 1661892, 2215856, 2492838, 3323784, 4985676, 6647568, 9971352, 19942704]

約数ペア:

[(1, 19942704), (2, 9971352), (3, 6647568), (4, 4985676), (6, 3323784), (8, 2492838), (9, 2215856), (12, 1661892), (16, 1246419), (18, 1107928), (19, 1049616), (24, 830946), (36, 553964), (37, 538992), (38, 524808), (48, 415473), (57, 349872), (72, 276982), (74, 269496), (76, 262404), (111, 179664), (114, 174936), (144, 138491), (148, 134748), (152, 131202), (171, 116624), (197, 101232), (222, 89832), (228, 87468), (296, 67374), (304, 65601), (333, 59888), (342, 58312), (394, 50616), (444, 44916), (456, 43734), (591, 33744), (592, 33687), (666, 29944), (684, 29156), (703, 28368), (788, 25308), (888, 22458), (912, 21867), (1182, 16872), (1332, 14972), (1368, 14578), (1406, 14184), (1576, 12654), (1773, 11248), (1776, 11229), (2109, 9456), (2364, 8436), (2664, 7486), (2736, 7289), (2812, 7092), (3152, 6327), (3546, 5624), (3743, 5328), (4218, 4728)]