19823360

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 50331456

約数和(自身を除く): 30508096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 911, 1088, 1280, 1360, 1822, 2176, 2720, 3644, 4352, 4555, 5440, 7288, 9110, 10880, 14576, 15487, 18220, 21760, 29152, 30974, 36440, 58304, 61948, 72880, 77435, 116608, 123896, 145760, 154870, 233216, 247792, 291520, 309740, 495584, 583040, 619480, 991168, 1166080, 1238960, 1982336, 2477920, 3964672, 4955840, 9911680, 19823360]

約数ペア:

[(1, 19823360), (2, 9911680), (4, 4955840), (5, 3964672), (8, 2477920), (10, 1982336), (16, 1238960), (17, 1166080), (20, 991168), (32, 619480), (34, 583040), (40, 495584), (64, 309740), (68, 291520), (80, 247792), (85, 233216), (128, 154870), (136, 145760), (160, 123896), (170, 116608), (256, 77435), (272, 72880), (320, 61948), (340, 58304), (544, 36440), (640, 30974), (680, 29152), (911, 21760), (1088, 18220), (1280, 15487), (1360, 14576), (1822, 10880), (2176, 9110), (2720, 7288), (3644, 5440), (4352, 4555)]