19805696

素因数分解:

$2^9\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:502

約数の個数: 40

約数和(自身を含む): 40068864

約数和(自身を除く): 20263168

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 383, 404, 512, 766, 808, 1532, 1616, 3064, 3232, 6128, 6464, 12256, 12928, 24512, 25856, 38683, 49024, 51712, 77366, 98048, 154732, 196096, 309464, 618928, 1237856, 2475712, 4951424, 9902848, 19805696]

約数ペア:

[(1, 19805696), (2, 9902848), (4, 4951424), (8, 2475712), (16, 1237856), (32, 618928), (64, 309464), (101, 196096), (128, 154732), (202, 98048), (256, 77366), (383, 51712), (404, 49024), (512, 38683), (766, 25856), (808, 24512), (1532, 12928), (1616, 12256), (3064, 6464), (3232, 6128)]