19867952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4153}}^1$

素因数の和:4197

約数の個数: 40

約数和(自身を含む): 43268064

約数和(自身を除く): 23400112

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4153, 4784, 8306, 16612, 33224, 53989, 66448, 95519, 107978, 191038, 215956, 382076, 431912, 764152, 863824, 1241747, 1528304, 2483494, 4966988, 9933976, 19867952]

約数ペア:

[(1, 19867952), (2, 9933976), (4, 4966988), (8, 2483494), (13, 1528304), (16, 1241747), (23, 863824), (26, 764152), (46, 431912), (52, 382076), (92, 215956), (104, 191038), (184, 107978), (208, 95519), (299, 66448), (368, 53989), (598, 33224), (1196, 16612), (2392, 8306), (4153, 4784)]