18761072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 42294912

約数和(自身を除く): 23533840

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 43, 44, 67, 74, 86, 88, 134, 148, 172, 176, 268, 296, 344, 407, 473, 536, 592, 688, 737, 814, 946, 1072, 1474, 1591, 1628, 1892, 2479, 2881, 2948, 3182, 3256, 3784, 4958, 5762, 5896, 6364, 6512, 7568, 9916, 11524, 11792, 12728, 17501, 19832, 23048, 25456, 27269, 31691, 35002, 39664, 46096, 54538, 63382, 70004, 106597, 109076, 126764, 140008, 213194, 218152, 253528, 280016, 426388, 436304, 507056, 852776, 1172567, 1705552, 2345134, 4690268, 9380536, 18761072]

約数ペア:

[(1, 18761072), (2, 9380536), (4, 4690268), (8, 2345134), (11, 1705552), (16, 1172567), (22, 852776), (37, 507056), (43, 436304), (44, 426388), (67, 280016), (74, 253528), (86, 218152), (88, 213194), (134, 140008), (148, 126764), (172, 109076), (176, 106597), (268, 70004), (296, 63382), (344, 54538), (407, 46096), (473, 39664), (536, 35002), (592, 31691), (688, 27269), (737, 25456), (814, 23048), (946, 19832), (1072, 17501), (1474, 12728), (1591, 11792), (1628, 11524), (1892, 9916), (2479, 7568), (2881, 6512), (2948, 6364), (3182, 5896), (3256, 5762), (3784, 4958)]