19118402

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1697}}^1$

素因数の和:1873

約数の個数: 16

約数和(自身を含む): 29585952

約数和(自身を除く): 10467550

約数列:

[1, 2, 43, 86, 131, 262, 1697, 3394, 5633, 11266, 72971, 145942, 222307, 444614, 9559201, 19118402]

約数ペア:

[(1, 19118402), (2, 9559201), (43, 444614), (86, 222307), (131, 145942), (262, 72971), (1697, 11266), (3394, 5633)]