19294995

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 31882752

約数和(自身を除く): 12587757

約数列:

[1, 3, 5, 15, 67, 73, 201, 219, 263, 335, 365, 789, 1005, 1095, 1315, 3945, 4891, 14673, 17621, 19199, 24455, 52863, 57597, 73365, 88105, 95995, 264315, 287985, 1286333, 3858999, 6431665, 19294995]

約数ペア:

[(1, 19294995), (3, 6431665), (5, 3858999), (15, 1286333), (67, 287985), (73, 264315), (201, 95995), (219, 88105), (263, 73365), (335, 57597), (365, 52863), (789, 24455), (1005, 19199), (1095, 17621), (1315, 14673), (3945, 4891)]