18516621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 27941760

約数和(自身を除く): 9425139

約数列:

[1, 3, 17, 19, 51, 57, 97, 197, 291, 323, 591, 969, 1649, 1843, 3349, 3743, 4947, 5529, 10047, 11229, 19109, 31331, 57327, 63631, 93993, 190893, 324853, 363071, 974559, 1089213, 6172207, 18516621]

約数ペア:

[(1, 18516621), (3, 6172207), (17, 1089213), (19, 974559), (51, 363071), (57, 324853), (97, 190893), (197, 93993), (291, 63631), (323, 57327), (591, 31331), (969, 19109), (1649, 11229), (1843, 10047), (3349, 5529), (3743, 4947)]