18974666

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1157

約数の個数: 16

約数和(自身を含む): 29488128

約数和(自身を除く): 10513462

約数列:

[1, 2, 31, 62, 463, 661, 926, 1322, 14353, 20491, 28706, 40982, 306043, 612086, 9487333, 18974666]

約数ペア:

[(1, 18974666), (2, 9487333), (31, 612086), (62, 306043), (463, 40982), (661, 28706), (926, 20491), (1322, 14353)]