19994618147

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{1297}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 23501068800

約数和(自身を除く): 3506450653

約数列:

[1, 7, 59, 163, 229, 413, 1141, 1297, 1603, 9079, 9617, 13511, 37327, 67319, 76523, 94577, 211411, 261289, 297013, 535661, 1479877, 2079091, 2202293, 12473249, 15416051, 17523767, 48413119, 87312743, 122666369, 338891833, 2856374021, 19994618147]

約数ペア:

[(1, 19994618147), (7, 2856374021), (59, 338891833), (163, 122666369), (229, 87312743), (413, 48413119), (1141, 17523767), (1297, 15416051), (1603, 12473249), (9079, 2202293), (9617, 2079091), (13511, 1479877), (37327, 535661), (67319, 297013), (76523, 261289), (94577, 211411)]