18331337479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{607}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 24161550336

約数和(自身を除く): 5830212857

約数列:

[1, 7, 13, 23, 47, 91, 161, 299, 307, 329, 607, 611, 1081, 2093, 2149, 3991, 4249, 4277, 7061, 7567, 7891, 13961, 14053, 14429, 27937, 28529, 49427, 55237, 91793, 97727, 98371, 101003, 181493, 186349, 187577, 199703, 331867, 370877, 642551, 656167, 1270451, 1304443, 1313039, 2323069, 2422537, 2596139, 4286027, 4314271, 4593169, 8530171, 8758403, 16957759, 30002189, 30199897, 55718351, 59711197, 61308821, 113859239, 201443269, 390028457, 797014673, 1410102883, 2618762497, 18331337479]

約数ペア:

[(1, 18331337479), (7, 2618762497), (13, 1410102883), (23, 797014673), (47, 390028457), (91, 201443269), (161, 113859239), (299, 61308821), (307, 59711197), (329, 55718351), (607, 30199897), (611, 30002189), (1081, 16957759), (2093, 8758403), (2149, 8530171), (3991, 4593169), (4249, 4314271), (4277, 4286027), (7061, 2596139), (7567, 2422537), (7891, 2323069), (13961, 1313039), (14053, 1304443), (14429, 1270451), (27937, 656167), (28529, 642551), (49427, 370877), (55237, 331867), (91793, 199703), (97727, 187577), (98371, 186349), (101003, 181493)]