30973420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81509}}^1$

素因数の和:81537

約数の個数: 24

約数和(自身を含む): 68468400

約数和(自身を除く): 37494980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81509, 163018, 326036, 407545, 815090, 1548671, 1630180, 3097342, 6194684, 7743355, 15486710, 30973420]

約数ペア:

[(1, 30973420), (2, 15486710), (4, 7743355), (5, 6194684), (10, 3097342), (19, 1630180), (20, 1548671), (38, 815090), (76, 407545), (95, 326036), (190, 163018), (380, 81509)]