19233880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1871}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 24233960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 1871, 2056, 2570, 3742, 5140, 7484, 9355, 10280, 14968, 18710, 37420, 74840, 480847, 961694, 1923388, 2404235, 3846776, 4808470, 9616940, 19233880]

約数ペア:

[(1, 19233880), (2, 9616940), (4, 4808470), (5, 3846776), (8, 2404235), (10, 1923388), (20, 961694), (40, 480847), (257, 74840), (514, 37420), (1028, 18710), (1285, 14968), (1871, 10280), (2056, 9355), (2570, 7484), (3742, 5140)]