19711753

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 21159936

約数和(自身を除く): 1448183

約数列:

[1, 31, 47, 83, 163, 1457, 2573, 3901, 5053, 7661, 13529, 120931, 237491, 419399, 635863, 19711753]

約数ペア:

[(1, 19711753), (31, 635863), (47, 419399), (83, 237491), (163, 120931), (1457, 13529), (2573, 7661), (3901, 5053)]