20181661624

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1151}}^1\times {\mathrm{50971}}^1$

素因数の和:52171

約数の個数: 32

約数和(自身を含む): 38755031040

約数和(自身を除く): 18573369416

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1151, 2302, 4604, 9208, 49493, 50971, 98986, 101942, 197972, 203884, 395944, 407768, 2191753, 4383506, 8767012, 17534024, 58667621, 117335242, 234670484, 469340968, 2522707703, 5045415406, 10090830812, 20181661624]

約数ペア:

[(1, 20181661624), (2, 10090830812), (4, 5045415406), (8, 2522707703), (43, 469340968), (86, 234670484), (172, 117335242), (344, 58667621), (1151, 17534024), (2302, 8767012), (4604, 4383506), (9208, 2191753), (49493, 407768), (50971, 395944), (98986, 203884), (101942, 197972)]