19291247984

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{977}}^1\times {\mathrm{1867}}^1$

素因数の和:3513

約数の個数: 40

約数和(自身を含む): 37491723888

約数和(自身を除く): 18200475904

約数列:

[1, 2, 4, 8, 16, 661, 977, 1322, 1867, 1954, 2644, 3734, 3908, 5288, 7468, 7816, 10576, 14936, 15632, 29872, 645797, 1234087, 1291594, 1824059, 2468174, 2583188, 3648118, 4936348, 5166376, 7296236, 9872696, 10332752, 14592472, 19745392, 29184944, 1205702999, 2411405998, 4822811996, 9645623992, 19291247984]

約数ペア:

[(1, 19291247984), (2, 9645623992), (4, 4822811996), (8, 2411405998), (16, 1205702999), (661, 29184944), (977, 19745392), (1322, 14592472), (1867, 10332752), (1954, 9872696), (2644, 7296236), (3734, 5166376), (3908, 4936348), (5288, 3648118), (7468, 2583188), (7816, 2468174), (10576, 1824059), (14936, 1291594), (15632, 1234087), (29872, 645797)]