19939370128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{9151}}^1$

素因数の和:9404

約数の個数: 80

約数和(自身を含む): 41835036672

約数和(自身を除く): 21895666544

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 191, 248, 368, 382, 496, 713, 764, 1426, 1528, 2852, 3056, 4393, 5704, 5921, 8786, 9151, 11408, 11842, 17572, 18302, 23684, 35144, 36604, 47368, 70288, 73208, 94736, 136183, 146416, 210473, 272366, 283681, 420946, 544732, 567362, 841892, 1089464, 1134724, 1683784, 1747841, 2178928, 2269448, 3367568, 3495682, 4538896, 6524663, 6991364, 13049326, 13982728, 26098652, 27965456, 40200343, 52197304, 54183071, 80400686, 104394608, 108366142, 160801372, 216732284, 321602744, 433464568, 643205488, 866929136, 1246210633, 2492421266, 4984842532, 9969685064, 19939370128]

約数ペア:

[(1, 19939370128), (2, 9969685064), (4, 4984842532), (8, 2492421266), (16, 1246210633), (23, 866929136), (31, 643205488), (46, 433464568), (62, 321602744), (92, 216732284), (124, 160801372), (184, 108366142), (191, 104394608), (248, 80400686), (368, 54183071), (382, 52197304), (496, 40200343), (713, 27965456), (764, 26098652), (1426, 13982728), (1528, 13049326), (2852, 6991364), (3056, 6524663), (4393, 4538896), (5704, 3495682), (5921, 3367568), (8786, 2269448), (9151, 2178928), (11408, 1747841), (11842, 1683784), (17572, 1134724), (18302, 1089464), (23684, 841892), (35144, 567362), (36604, 544732), (47368, 420946), (70288, 283681), (73208, 272366), (94736, 210473), (136183, 146416)]