19776988

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9173}}^1$

素因数の和:9202

約数の個数: 36

約数和(自身を含む): 43925112

約数和(自身を除く): 24148124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9173, 18346, 36692, 64211, 100903, 128422, 201806, 256844, 403612, 449477, 706321, 898954, 1412642, 1797908, 2825284, 4944247, 9888494, 19776988]

約数ペア:

[(1, 19776988), (2, 9888494), (4, 4944247), (7, 2825284), (11, 1797908), (14, 1412642), (22, 898954), (28, 706321), (44, 449477), (49, 403612), (77, 256844), (98, 201806), (154, 128422), (196, 100903), (308, 64211), (539, 36692), (1078, 18346), (2156, 9173)]