19243984

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2609}}^1$

素因数の和:3078

約数の個数: 20

約数和(自身を含む): 37380420

約数和(自身を除く): 18136436

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2609, 3688, 5218, 7376, 10436, 20872, 41744, 1202749, 2405498, 4810996, 9621992, 19243984]

約数ペア:

[(1, 19243984), (2, 9621992), (4, 4810996), (8, 2405498), (16, 1202749), (461, 41744), (922, 20872), (1844, 10436), (2609, 7376), (3688, 5218)]