19980857518

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{13963}}^1$

素因数の和:14272

約数の個数: 32

約数和(自身を含む): 31107323520

約数和(自身を除く): 11126466002

約数列:

[1, 2, 59, 67, 118, 134, 181, 362, 3953, 7906, 10679, 12127, 13963, 21358, 24254, 27926, 715493, 823817, 935521, 1430986, 1647634, 1871042, 2527303, 5054606, 55195739, 110391478, 149110877, 169329301, 298221754, 338658602, 9990428759, 19980857518]

約数ペア:

[(1, 19980857518), (2, 9990428759), (59, 338658602), (67, 298221754), (118, 169329301), (134, 149110877), (181, 110391478), (362, 55195739), (3953, 5054606), (7906, 2527303), (10679, 1871042), (12127, 1647634), (13963, 1430986), (21358, 935521), (24254, 823817), (27926, 715493)]