18513119744

素因数分解:

$2^9\times 7^1\times {\mathrm{211}}^1\times {\mathrm{24481}}^1$

素因数の和:24717

約数の個数: 80

約数和(自身を含む): 42476465856

約数和(自身を除く): 23963346112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 211, 224, 256, 422, 448, 512, 844, 896, 1477, 1688, 1792, 2954, 3376, 3584, 5908, 6752, 11816, 13504, 23632, 24481, 27008, 47264, 48962, 54016, 94528, 97924, 108032, 171367, 189056, 195848, 342734, 378112, 391696, 685468, 756224, 783392, 1370936, 1566784, 2741872, 3133568, 5165491, 5483744, 6267136, 10330982, 10967488, 12534272, 20661964, 21934976, 36158437, 41323928, 43869952, 72316874, 82647856, 87739904, 144633748, 165295712, 289267496, 330591424, 578534992, 661182848, 1157069984, 1322365696, 2314139968, 2644731392, 4628279936, 9256559872, 18513119744]

約数ペア:

[(1, 18513119744), (2, 9256559872), (4, 4628279936), (7, 2644731392), (8, 2314139968), (14, 1322365696), (16, 1157069984), (28, 661182848), (32, 578534992), (56, 330591424), (64, 289267496), (112, 165295712), (128, 144633748), (211, 87739904), (224, 82647856), (256, 72316874), (422, 43869952), (448, 41323928), (512, 36158437), (844, 21934976), (896, 20661964), (1477, 12534272), (1688, 10967488), (1792, 10330982), (2954, 6267136), (3376, 5483744), (3584, 5165491), (5908, 3133568), (6752, 2741872), (11816, 1566784), (13504, 1370936), (23632, 783392), (24481, 756224), (27008, 685468), (47264, 391696), (48962, 378112), (54016, 342734), (94528, 195848), (97924, 189056), (108032, 171367)]