19508901

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 7392603

約数列:

[1, 3, 47, 83, 141, 249, 1667, 3901, 5001, 11703, 78349, 138361, 235047, 415083, 6502967, 19508901]

約数ペア:

[(1, 19508901), (3, 6502967), (47, 415083), (83, 235047), (141, 138361), (249, 78349), (1667, 11703), (3901, 5001)]