2019901010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2844931}}^1$

素因数の和:2845009

約数の個数: 16

約数和(自身を含む): 3687031872

約数和(自身を除く): 1667130862

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2844931, 5689862, 14224655, 28449310, 201990101, 403980202, 1009950505, 2019901010]

約数ペア:

[(1, 2019901010), (2, 1009950505), (5, 403980202), (10, 201990101), (71, 28449310), (142, 14224655), (355, 5689862), (710, 2844931)]