20488194

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1051}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 48097440

約数和(自身を除く): 27609246

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1051, 1083, 2102, 2166, 3153, 3249, 6306, 6498, 9459, 9747, 18918, 19494, 19969, 28377, 39938, 56754, 59907, 119814, 179721, 359442, 379411, 539163, 758822, 1078326, 1138233, 2276466, 3414699, 6829398, 10244097, 20488194]

約数ペア:

[(1, 20488194), (2, 10244097), (3, 6829398), (6, 3414699), (9, 2276466), (18, 1138233), (19, 1078326), (27, 758822), (38, 539163), (54, 379411), (57, 359442), (114, 179721), (171, 119814), (342, 59907), (361, 56754), (513, 39938), (722, 28377), (1026, 19969), (1051, 19494), (1083, 18918), (2102, 9747), (2166, 9459), (3153, 6498), (3249, 6306)]