19856492

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2027}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 36341760

約数和(自身を除く): 16485268

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2027, 2449, 4054, 4898, 8108, 9796, 62837, 125674, 160133, 251348, 320266, 640532, 4964123, 9928246, 19856492]

約数ペア:

[(1, 19856492), (2, 9928246), (4, 4964123), (31, 640532), (62, 320266), (79, 251348), (124, 160133), (158, 125674), (316, 62837), (2027, 9796), (2449, 8108), (4054, 4898)]