19745552

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2677}}^1$

素因数の和:3146

約数の個数: 20

約数和(自身を含む): 38354316

約数和(自身を除く): 18608764

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2677, 3688, 5354, 7376, 10708, 21416, 42832, 1234097, 2468194, 4936388, 9872776, 19745552]

約数ペア:

[(1, 19745552), (2, 9872776), (4, 4936388), (8, 2468194), (16, 1234097), (461, 42832), (922, 21416), (1844, 10708), (2677, 7376), (3688, 5354)]