17961878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 13366762

約数列:

[1, 2, 11, 19, 22, 38, 97, 194, 209, 418, 443, 886, 1067, 1843, 2134, 3686, 4873, 8417, 9746, 16834, 20273, 40546, 42971, 85942, 92587, 185174, 472681, 816449, 945362, 1632898, 8980939, 17961878]

約数ペア:

[(1, 17961878), (2, 8980939), (11, 1632898), (19, 945362), (22, 816449), (38, 472681), (97, 185174), (194, 92587), (209, 85942), (418, 42971), (443, 40546), (886, 20273), (1067, 16834), (1843, 9746), (2134, 8417), (3686, 4873)]