2019900505

素因数分解:

$5^1\times 7^1\times {\mathrm{7883}}^1\times {\mathrm{7321}}^1$

素因数の和:15216

約数の個数: 16

約数和(自身を含む): 2770879104

約数和(自身を除く): 750978599

約数列:

[1, 5, 7, 35, 7321, 7883, 36605, 39415, 51247, 55181, 256235, 275905, 57711443, 288557215, 403980101, 2019900505]

約数ペア:

[(1, 2019900505), (5, 403980101), (7, 288557215), (35, 57711443), (7321, 275905), (7883, 256235), (36605, 55181), (39415, 51247)]