19981824

素因数分解:

$2^9\times 3^1\times {\mathrm{13009}}^1$

素因数の和:13030

約数の個数: 40

約数和(自身を含む): 53236920

約数和(自身を除く): 33255096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13009, 26018, 39027, 52036, 78054, 104072, 156108, 208144, 312216, 416288, 624432, 832576, 1248864, 1665152, 2497728, 3330304, 4995456, 6660608, 9990912, 19981824]

約数ペア:

[(1, 19981824), (2, 9990912), (3, 6660608), (4, 4995456), (6, 3330304), (8, 2497728), (12, 1665152), (16, 1248864), (24, 832576), (32, 624432), (48, 416288), (64, 312216), (96, 208144), (128, 156108), (192, 104072), (256, 78054), (384, 52036), (512, 39027), (768, 26018), (1536, 13009)]