18120813

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 25552320

約数和(自身を除く): 7431507

約数列:

[1, 3, 19, 57, 257, 771, 1237, 3711, 4883, 14649, 23503, 70509, 317909, 953727, 6040271, 18120813]

約数ペア:

[(1, 18120813), (3, 6040271), (19, 953727), (57, 317909), (257, 70509), (771, 23503), (1237, 14649), (3711, 4883)]