19403349

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 30935040

約数和(自身を除く): 11531691

約数列:

[1, 3, 7, 21, 29, 87, 151, 203, 211, 453, 609, 633, 1057, 1477, 3171, 4379, 4431, 6119, 13137, 18357, 30653, 31861, 42833, 91959, 95583, 128499, 223027, 669081, 923969, 2771907, 6467783, 19403349]

約数ペア:

[(1, 19403349), (3, 6467783), (7, 2771907), (21, 923969), (29, 669081), (87, 223027), (151, 128499), (203, 95583), (211, 91959), (453, 42833), (609, 31861), (633, 30653), (1057, 18357), (1477, 13137), (3171, 6119), (4379, 4431)]