19009944040

素因数分解:

$2^3\times 5^1\times {\mathrm{2633}}^1\times {\mathrm{180497}}^1$

素因数の和:183141

約数の個数: 32

約数和(自身を含む): 42788855880

約数和(自身を除く): 23778911840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2633, 5266, 10532, 13165, 21064, 26330, 52660, 105320, 180497, 360994, 721988, 902485, 1443976, 1804970, 3609940, 7219880, 475248601, 950497202, 1900994404, 2376243005, 3801988808, 4752486010, 9504972020, 19009944040]

約数ペア:

[(1, 19009944040), (2, 9504972020), (4, 4752486010), (5, 3801988808), (8, 2376243005), (10, 1900994404), (20, 950497202), (40, 475248601), (2633, 7219880), (5266, 3609940), (10532, 1804970), (13165, 1443976), (21064, 902485), (26330, 721988), (52660, 360994), (105320, 180497)]