19077968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13103}}^1$

素因数の和:13131

約数の個数: 40

約数和(自身を含む): 45497088

約数和(自身を除く): 26419120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13103, 26206, 52412, 91721, 104824, 170339, 183442, 209648, 340678, 366884, 681356, 733768, 1192373, 1362712, 1467536, 2384746, 2725424, 4769492, 9538984, 19077968]

約数ペア:

[(1, 19077968), (2, 9538984), (4, 4769492), (7, 2725424), (8, 2384746), (13, 1467536), (14, 1362712), (16, 1192373), (26, 733768), (28, 681356), (52, 366884), (56, 340678), (91, 209648), (104, 183442), (112, 170339), (182, 104824), (208, 91721), (364, 52412), (728, 26206), (1456, 13103)]