19748402

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:845

約数の個数: 16

約数和(自身を含む): 30136920

約数和(自身を除く): 10388518

約数列:

[1, 2, 109, 157, 218, 314, 577, 1154, 17113, 34226, 62893, 90589, 125786, 181178, 9874201, 19748402]

約数ペア:

[(1, 19748402), (2, 9874201), (109, 181178), (157, 125786), (218, 90589), (314, 62893), (577, 34226), (1154, 17113)]