19104609

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 26006400

約数和(自身を除く): 6901791

約数列:

[1, 3, 71, 213, 257, 349, 771, 1047, 18247, 24779, 54741, 74337, 89693, 269079, 6368203, 19104609]

約数ペア:

[(1, 19104609), (3, 6368203), (71, 269079), (213, 89693), (257, 74337), (349, 54741), (771, 24779), (1047, 18247)]