19368125

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 29240640

約数和(自身を除く): 9872515

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 233, 475, 625, 665, 875, 1165, 1631, 2375, 3325, 4375, 4427, 5825, 8155, 11875, 16625, 22135, 29125, 30989, 40775, 83125, 110675, 145625, 154945, 203875, 553375, 774725, 1019375, 2766875, 3873625, 19368125]

約数ペア:

[(1, 19368125), (5, 3873625), (7, 2766875), (19, 1019375), (25, 774725), (35, 553375), (95, 203875), (125, 154945), (133, 145625), (175, 110675), (233, 83125), (475, 40775), (625, 30989), (665, 29125), (875, 22135), (1165, 16625), (1631, 11875), (2375, 8155), (3325, 5825), (4375, 4427)]