19841085

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 19972035

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 431, 465, 495, 837, 1023, 1293, 1395, 1485, 1705, 2155, 3069, 3879, 4185, 4741, 5115, 6465, 9207, 11637, 13361, 14223, 15345, 19395, 23705, 40083, 42669, 46035, 58185, 66805, 71115, 120249, 128007, 146971, 200415, 213345, 360747, 440913, 601245, 640035, 734855, 1322739, 1803735, 2204565, 3968217, 6613695, 19841085]

約数ペア:

[(1, 19841085), (3, 6613695), (5, 3968217), (9, 2204565), (11, 1803735), (15, 1322739), (27, 734855), (31, 640035), (33, 601245), (45, 440913), (55, 360747), (93, 213345), (99, 200415), (135, 146971), (155, 128007), (165, 120249), (279, 71115), (297, 66805), (341, 58185), (431, 46035), (465, 42669), (495, 40083), (837, 23705), (1023, 19395), (1293, 15345), (1395, 14223), (1485, 13361), (1705, 11637), (2155, 9207), (3069, 6465), (3879, 5115), (4185, 4741)]