2019271690

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{3989}}^1$

素因数の和:4446

約数の個数: 32

約数和(自身を含む): 3667991040

約数和(自身を除く): 1648719350

約数列:

[1, 2, 5, 10, 223, 227, 446, 454, 1115, 1135, 2230, 2270, 3989, 7978, 19945, 39890, 50621, 101242, 253105, 506210, 889547, 905503, 1779094, 1811006, 4447735, 4527515, 8895470, 9055030, 201927169, 403854338, 1009635845, 2019271690]

約数ペア:

[(1, 2019271690), (2, 1009635845), (5, 403854338), (10, 201927169), (223, 9055030), (227, 8895470), (446, 4527515), (454, 4447735), (1115, 1811006), (1135, 1779094), (2230, 905503), (2270, 889547), (3989, 506210), (7978, 253105), (19945, 101242), (39890, 50621)]