18999056

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:591

約数の個数: 40

約数和(自身を含む): 38449920

約数和(自身を除く): 19450864

約数列:

[1, 2, 4, 8, 16, 37, 67, 74, 134, 148, 268, 296, 479, 536, 592, 958, 1072, 1916, 2479, 3832, 4958, 7664, 9916, 17723, 19832, 32093, 35446, 39664, 64186, 70892, 128372, 141784, 256744, 283568, 513488, 1187441, 2374882, 4749764, 9499528, 18999056]

約数ペア:

[(1, 18999056), (2, 9499528), (4, 4749764), (8, 2374882), (16, 1187441), (37, 513488), (67, 283568), (74, 256744), (134, 141784), (148, 128372), (268, 70892), (296, 64186), (479, 39664), (536, 35446), (592, 32093), (958, 19832), (1072, 17723), (1916, 9916), (2479, 7664), (3832, 4958)]