19729112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11159}}^1$

素因数の和:11195

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 22455688

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11159, 22318, 44636, 89272, 145067, 189703, 290134, 379406, 580268, 758812, 1160536, 1517624, 2466139, 4932278, 9864556, 19729112]

約数ペア:

[(1, 19729112), (2, 9864556), (4, 4932278), (8, 2466139), (13, 1517624), (17, 1160536), (26, 758812), (34, 580268), (52, 379406), (68, 290134), (104, 189703), (136, 145067), (221, 89272), (442, 44636), (884, 22318), (1768, 11159)]