19335664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 40296528

約数和(自身を除く): 20960864

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1061, 1072, 1139, 2122, 2278, 4244, 4556, 8488, 9112, 16976, 18037, 18224, 36074, 71087, 72148, 142174, 144296, 284348, 288592, 568696, 1137392, 1208479, 2416958, 4833916, 9667832, 19335664]

約数ペア:

[(1, 19335664), (2, 9667832), (4, 4833916), (8, 2416958), (16, 1208479), (17, 1137392), (34, 568696), (67, 288592), (68, 284348), (134, 144296), (136, 142174), (268, 72148), (272, 71087), (536, 36074), (1061, 18224), (1072, 18037), (1139, 16976), (2122, 9112), (2278, 8488), (4244, 4556)]