19491994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13669}}^1$

素因数の和:13725

約数の個数: 16

約数和(自身を含む): 31495680

約数和(自身を除く): 12003686

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 13669, 27338, 314387, 423739, 628774, 847478, 9745997, 19491994]

約数ペア:

[(1, 19491994), (2, 9745997), (23, 847478), (31, 628774), (46, 423739), (62, 314387), (713, 27338), (1426, 13669)]