19881016

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19310024

約数列:

[1, 2, 4, 8, 23, 46, 92, 167, 184, 334, 647, 668, 1294, 1336, 2588, 3841, 5176, 7682, 14881, 15364, 29762, 30728, 59524, 108049, 119048, 216098, 432196, 864392, 2485127, 4970254, 9940508, 19881016]

約数ペア:

[(1, 19881016), (2, 9940508), (4, 4970254), (8, 2485127), (23, 864392), (46, 432196), (92, 216098), (167, 119048), (184, 108049), (334, 59524), (647, 30728), (668, 29762), (1294, 15364), (1336, 14881), (2588, 7682), (3841, 5176)]