1918441990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4461493}}^1$

素因数の和:4461543

約数の個数: 16

約数和(自身を含む): 3533503248

約数和(自身を除く): 1615061258

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4461493, 8922986, 22307465, 44614930, 191844199, 383688398, 959220995, 1918441990]

約数ペア:

[(1, 1918441990), (2, 959220995), (5, 383688398), (10, 191844199), (43, 44614930), (86, 22307465), (215, 8922986), (430, 4461493)]