18754736

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1171}}^1$

素因数の和:1210

約数の個数: 80

約数和(自身を含む): 48830208

約数和(自身を除く): 30075472

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1171, 1232, 1456, 2002, 2288, 2342, 4004, 4684, 8008, 8197, 9368, 12881, 15223, 16016, 16394, 18736, 25762, 30446, 32788, 51524, 60892, 65576, 90167, 103048, 106561, 121784, 131152, 167453, 180334, 206096, 213122, 243568, 334906, 360668, 426244, 669812, 721336, 852488, 1172171, 1339624, 1442672, 1704976, 2344342, 2679248, 4688684, 9377368, 18754736]

約数ペア:

[(1, 18754736), (2, 9377368), (4, 4688684), (7, 2679248), (8, 2344342), (11, 1704976), (13, 1442672), (14, 1339624), (16, 1172171), (22, 852488), (26, 721336), (28, 669812), (44, 426244), (52, 360668), (56, 334906), (77, 243568), (88, 213122), (91, 206096), (104, 180334), (112, 167453), (143, 131152), (154, 121784), (176, 106561), (182, 103048), (208, 90167), (286, 65576), (308, 60892), (364, 51524), (572, 32788), (616, 30446), (728, 25762), (1001, 18736), (1144, 16394), (1171, 16016), (1232, 15223), (1456, 12881), (2002, 9368), (2288, 8197), (2342, 8008), (4004, 4684)]