19689344

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1523}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 39639240

約数和(自身を除く): 19949896

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1523, 1616, 3046, 3232, 6092, 6464, 12184, 12928, 24368, 48736, 97472, 153823, 194944, 307646, 615292, 1230584, 2461168, 4922336, 9844672, 19689344]

約数ペア:

[(1, 19689344), (2, 9844672), (4, 4922336), (8, 2461168), (16, 1230584), (32, 615292), (64, 307646), (101, 194944), (128, 153823), (202, 97472), (404, 48736), (808, 24368), (1523, 12928), (1616, 12184), (3046, 6464), (3232, 6092)]