18683669248

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{54751}}^1$

素因数の和:54841

約数の個数: 72

約数和(自身を含む): 39393406976

約数和(自身を除く): 20709737728

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 256, 344, 496, 688, 992, 1333, 1376, 1984, 2666, 2752, 3968, 5332, 5504, 7936, 10664, 11008, 21328, 42656, 54751, 85312, 109502, 170624, 219004, 341248, 438008, 876016, 1697281, 1752032, 2354293, 3394562, 3504064, 4708586, 6789124, 7008128, 9417172, 13578248, 14016256, 18834344, 27156496, 37668688, 54312992, 72983083, 75337376, 108625984, 145966166, 150674752, 217251968, 291932332, 301349504, 434503936, 583864664, 602699008, 1167729328, 2335458656, 4670917312, 9341834624, 18683669248]

約数ペア:

[(1, 18683669248), (2, 9341834624), (4, 4670917312), (8, 2335458656), (16, 1167729328), (31, 602699008), (32, 583864664), (43, 434503936), (62, 301349504), (64, 291932332), (86, 217251968), (124, 150674752), (128, 145966166), (172, 108625984), (248, 75337376), (256, 72983083), (344, 54312992), (496, 37668688), (688, 27156496), (992, 18834344), (1333, 14016256), (1376, 13578248), (1984, 9417172), (2666, 7008128), (2752, 6789124), (3968, 4708586), (5332, 3504064), (5504, 3394562), (7936, 2354293), (10664, 1752032), (11008, 1697281), (21328, 876016), (42656, 438008), (54751, 341248), (85312, 219004), (109502, 170624)]