19646384

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{3923}}^1$

素因数の和:4244

約数の個数: 20

約数和(自身を含む): 38196216

約数和(自身を除く): 18549832

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 3923, 5008, 7846, 15692, 31384, 62768, 1227899, 2455798, 4911596, 9823192, 19646384]

約数ペア:

[(1, 19646384), (2, 9823192), (4, 4911596), (8, 2455798), (16, 1227899), (313, 62768), (626, 31384), (1252, 15692), (2504, 7846), (3923, 5008)]