18678656

素因数分解:

$2^7\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 37740000

約数和(自身を除く): 19061344

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 292, 584, 1168, 1999, 2336, 3998, 4672, 7996, 9344, 15992, 31984, 63968, 127936, 145927, 255872, 291854, 583708, 1167416, 2334832, 4669664, 9339328, 18678656]

約数ペア:

[(1, 18678656), (2, 9339328), (4, 4669664), (8, 2334832), (16, 1167416), (32, 583708), (64, 291854), (73, 255872), (128, 145927), (146, 127936), (292, 63968), (584, 31984), (1168, 15992), (1999, 9344), (2336, 7996), (3998, 4672)]