18609987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 28984320

約数和(自身を除く): 10374333

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 443, 627, 737, 1273, 1329, 2211, 3819, 4873, 8417, 14003, 14619, 25251, 29681, 42009, 89043, 92587, 277761, 326491, 563939, 979473, 1691817, 6203329, 18609987]

約数ペア:

[(1, 18609987), (3, 6203329), (11, 1691817), (19, 979473), (33, 563939), (57, 326491), (67, 277761), (201, 92587), (209, 89043), (443, 42009), (627, 29681), (737, 25251), (1273, 14619), (1329, 14003), (2211, 8417), (3819, 4873)]