2019955730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15538121}}^1$

素因数の和:15538141

約数の個数: 16

約数和(自身を含む): 3915606744

約数和(自身を除く): 1895651014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15538121, 31076242, 77690605, 155381210, 201995573, 403991146, 1009977865, 2019955730]

約数ペア:

[(1, 2019955730), (2, 1009977865), (5, 403991146), (10, 201995573), (13, 155381210), (26, 77690605), (65, 31076242), (130, 15538121)]