19960215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 35133696

約数和(自身を除く): 15173481

約数列:

[1, 3, 5, 11, 15, 33, 55, 137, 165, 411, 685, 883, 1507, 2055, 2649, 4415, 4521, 7535, 9713, 13245, 22605, 29139, 48565, 120971, 145695, 362913, 604855, 1330681, 1814565, 3992043, 6653405, 19960215]

約数ペア:

[(1, 19960215), (3, 6653405), (5, 3992043), (11, 1814565), (15, 1330681), (33, 604855), (55, 362913), (137, 145695), (165, 120971), (411, 48565), (685, 29139), (883, 22605), (1507, 13245), (2055, 9713), (2649, 7535), (4415, 4521)]