18815692768

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277747}}^1$

素因数の和:277859

約数の個数: 48

約数和(自身を含む): 38845835280

約数和(自身を除く): 20030142512

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 73, 116, 146, 232, 292, 464, 584, 928, 1168, 2117, 2336, 4234, 8468, 16936, 33872, 67744, 277747, 555494, 1110988, 2221976, 4443952, 8054663, 8887904, 16109326, 20275531, 32218652, 40551062, 64437304, 81102124, 128874608, 162204248, 257749216, 324408496, 587990399, 648816992, 1175980798, 2351961596, 4703923192, 9407846384, 18815692768]

約数ペア:

[(1, 18815692768), (2, 9407846384), (4, 4703923192), (8, 2351961596), (16, 1175980798), (29, 648816992), (32, 587990399), (58, 324408496), (73, 257749216), (116, 162204248), (146, 128874608), (232, 81102124), (292, 64437304), (464, 40551062), (584, 32218652), (928, 20275531), (1168, 16109326), (2117, 8887904), (2336, 8054663), (4234, 4443952), (8468, 2221976), (16936, 1110988), (33872, 555494), (67744, 277747)]