18288982

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 24

約数和(自身を含む): 29434536

約数和(自身を除く): 11145554

約数列:

[1, 2, 19, 38, 73, 146, 347, 361, 694, 722, 1387, 2774, 6593, 13186, 25331, 26353, 50662, 52706, 125267, 250534, 481289, 962578, 9144491, 18288982]

約数ペア:

[(1, 18288982), (2, 9144491), (19, 962578), (38, 481289), (73, 250534), (146, 125267), (347, 52706), (361, 50662), (694, 26353), (722, 25331), (1387, 13186), (2774, 6593)]