19984144

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33757}}^1$

素因数の和:33802

約数の個数: 20

約数和(自身を含む): 39766924

約数和(自身を除く): 19782780

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33757, 67514, 135028, 270056, 540112, 1249009, 2498018, 4996036, 9992072, 19984144]

約数ペア:

[(1, 19984144), (2, 9992072), (4, 4996036), (8, 2498018), (16, 1249009), (37, 540112), (74, 270056), (148, 135028), (296, 67514), (592, 33757)]