1219420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 2696400

約数和(自身を除く): 1476980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3209, 6418, 12836, 16045, 32090, 60971, 64180, 121942, 243884, 304855, 609710, 1219420]

約数ペア:

[(1, 1219420), (2, 609710), (4, 304855), (5, 243884), (10, 121942), (19, 64180), (20, 60971), (38, 32090), (76, 16045), (95, 12836), (190, 6418), (380, 3209)]