19890288

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 62964720

約数和(自身を除く): 43074432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 433, 464, 522, 528, 638, 696, 792, 866, 957, 1044, 1276, 1299, 1392, 1584, 1732, 1914, 2088, 2552, 2598, 2871, 3464, 3828, 3897, 4176, 4763, 5104, 5196, 5742, 6928, 7656, 7794, 9526, 10392, 11484, 12557, 14289, 15312, 15588, 19052, 20784, 22968, 25114, 28578, 31176, 37671, 38104, 42867, 45936, 50228, 57156, 62352, 75342, 76208, 85734, 100456, 113013, 114312, 138127, 150684, 171468, 200912, 226026, 228624, 276254, 301368, 342936, 414381, 452052, 552508, 602736, 685872, 828762, 904104, 1105016, 1243143, 1657524, 1808208, 2210032, 2486286, 3315048, 4972572, 6630096, 9945144, 19890288]

約数ペア:

[(1, 19890288), (2, 9945144), (3, 6630096), (4, 4972572), (6, 3315048), (8, 2486286), (9, 2210032), (11, 1808208), (12, 1657524), (16, 1243143), (18, 1105016), (22, 904104), (24, 828762), (29, 685872), (33, 602736), (36, 552508), (44, 452052), (48, 414381), (58, 342936), (66, 301368), (72, 276254), (87, 228624), (88, 226026), (99, 200912), (116, 171468), (132, 150684), (144, 138127), (174, 114312), (176, 113013), (198, 100456), (232, 85734), (261, 76208), (264, 75342), (319, 62352), (348, 57156), (396, 50228), (433, 45936), (464, 42867), (522, 38104), (528, 37671), (638, 31176), (696, 28578), (792, 25114), (866, 22968), (957, 20784), (1044, 19052), (1276, 15588), (1299, 15312), (1392, 14289), (1584, 12557), (1732, 11484), (1914, 10392), (2088, 9526), (2552, 7794), (2598, 7656), (2871, 6928), (3464, 5742), (3828, 5196), (3897, 5104), (4176, 4763)]