19415955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5857}}^1$

素因数の和:5895

約数の個数: 32

約数和(自身を含む): 35429184

約数和(自身を除く): 16013229

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 5857, 17571, 29285, 76141, 87855, 99569, 228423, 298707, 380705, 497845, 1142115, 1294397, 1493535, 3883191, 6471985, 19415955]

約数ペア:

[(1, 19415955), (3, 6471985), (5, 3883191), (13, 1493535), (15, 1294397), (17, 1142115), (39, 497845), (51, 380705), (65, 298707), (85, 228423), (195, 99569), (221, 87855), (255, 76141), (663, 29285), (1105, 17571), (3315, 5857)]