193420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 428400

約数和(自身を除く): 234980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 509, 1018, 2036, 2545, 5090, 9671, 10180, 19342, 38684, 48355, 96710, 193420]

約数ペア:

[(1, 193420), (2, 96710), (4, 48355), (5, 38684), (10, 19342), (19, 10180), (20, 9671), (38, 5090), (76, 2545), (95, 2036), (190, 1018), (380, 509)]