19737970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281971}}^1$

素因数の和:281985

約数の個数: 16

約数和(自身を含む): 40603968

約数和(自身を除く): 20865998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281971, 563942, 1409855, 1973797, 2819710, 3947594, 9868985, 19737970]

約数ペア:

[(1, 19737970), (2, 9868985), (5, 3947594), (7, 2819710), (10, 1973797), (14, 1409855), (35, 563942), (70, 281971)]