18679552

素因数分解:

$2^8\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:704

約数の個数: 36

約数和(自身を含む): 37638216

約数和(自身を除く): 18958664

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 524, 557, 1048, 1114, 2096, 2228, 4192, 4456, 8384, 8912, 16768, 17824, 33536, 35648, 71296, 72967, 142592, 145934, 291868, 583736, 1167472, 2334944, 4669888, 9339776, 18679552]

約数ペア:

[(1, 18679552), (2, 9339776), (4, 4669888), (8, 2334944), (16, 1167472), (32, 583736), (64, 291868), (128, 145934), (131, 142592), (256, 72967), (262, 71296), (524, 35648), (557, 33536), (1048, 17824), (1114, 16768), (2096, 8912), (2228, 8384), (4192, 4456)]