18859973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 21340800

約数和(自身を除く): 2480827

約数列:

[1, 11, 37, 149, 311, 407, 1639, 3421, 5513, 11507, 46339, 60643, 126577, 509729, 1714543, 18859973]

約数ペア:

[(1, 18859973), (11, 1714543), (37, 509729), (149, 126577), (311, 60643), (407, 46339), (1639, 11507), (3421, 5513)]