20189902

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2267}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 31216752

約数和(自身を除く): 11026850

約数列:

[1, 2, 61, 73, 122, 146, 2267, 4453, 4534, 8906, 138287, 165491, 276574, 330982, 10094951, 20189902]

約数ペア:

[(1, 20189902), (2, 10094951), (61, 330982), (73, 276574), (122, 165491), (146, 138287), (2267, 8906), (4453, 4534)]