18789778

素因数分解:

$2^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{1277}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 32266944

約数和(自身を除く): 13477166

約数列:

[1, 2, 7, 14, 1051, 1277, 2102, 2554, 7357, 8939, 14714, 17878, 1342127, 2684254, 9394889, 18789778]

約数ペア:

[(1, 18789778), (2, 9394889), (7, 2684254), (14, 1342127), (1051, 17878), (1277, 14714), (2102, 8939), (2554, 7357)]