19711185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 34180608

約数和(自身を除く): 14469423

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 271, 373, 813, 1119, 1355, 1865, 3523, 4065, 4849, 5595, 10569, 14547, 17615, 24245, 52845, 72735, 101083, 303249, 505415, 1314079, 1516245, 3942237, 6570395, 19711185]

約数ペア:

[(1, 19711185), (3, 6570395), (5, 3942237), (13, 1516245), (15, 1314079), (39, 505415), (65, 303249), (195, 101083), (271, 72735), (373, 52845), (813, 24245), (1119, 17615), (1355, 14547), (1865, 10569), (3523, 5595), (4065, 4849)]