19854686

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:883

約数の個数: 16

約数和(自身を含む): 30369600

約数和(自身を除く): 10514914

約数列:

[1, 2, 73, 146, 239, 478, 569, 1138, 17447, 34894, 41537, 83074, 135991, 271982, 9927343, 19854686]

約数ペア:

[(1, 19854686), (2, 9927343), (73, 271982), (146, 135991), (239, 83074), (478, 41537), (569, 34894), (1138, 17447)]