18637993

素因数分解:

${\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 20

約数和(自身を含む): 21902800

約数和(自身を除く): 3264807

約数列:

[1, 11, 19, 67, 121, 209, 737, 1273, 1331, 2299, 8107, 14003, 14641, 25289, 89177, 154033, 278179, 980947, 1694363, 18637993]

約数ペア:

[(1, 18637993), (11, 1694363), (19, 980947), (67, 278179), (121, 154033), (209, 89177), (737, 25289), (1273, 14641), (1331, 14003), (2299, 8107)]