19045628

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1949}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 38220000

約数和(自身を除く): 19174372

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 1949, 2443, 3898, 4886, 7796, 9772, 13643, 27286, 54572, 680201, 1360402, 2720804, 4761407, 9522814, 19045628]

約数ペア:

[(1, 19045628), (2, 9522814), (4, 4761407), (7, 2720804), (14, 1360402), (28, 680201), (349, 54572), (698, 27286), (1396, 13643), (1949, 9772), (2443, 7796), (3898, 4886)]